0001101302-21-000011 | 10-K | XBRL Viewer

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Document and Entity Information - USD ($)	12 Months Ended
Document and Entity Information - USD ($)	Dec. 31, 2020	Feb. 01, 2021	Jun. 27, 2020
Cover [Abstract]
Document Type	10-K
Document Annual Report	true
Document Period End Date	Dec. 31, 2020
Entity File Number	001-32598
Document Transition Report	false
Entity Registrant Name	Entegris, Inc.
Entity Incorporation, State or Country Code	DE
Entity Tax Identification Number	41-1941551
Entity Address, Address Line One	129 Concord Road
Entity Address, City or Town	Billerica
Entity Address, State or Province	MA
Entity Address, Postal Zip Code	01821
City Area Code	978
Local Phone Number	436-6500
Title of 12(b) Security	Common Stock, $0.01 Par Value
Trading Symbol	ENTG
Security Exchange Name	NASDAQ
Entity Well-known Seasoned Issuer	Yes
Entity Voluntary Filers	No
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Large Accelerated Filer
Entity Small Business	false
Entity Emerging Growth Company	false
ICFR Auditor Attestation Flag	true
Entity Shell Company	false
Entity Public Float			$ 6,656,221,289
Entity Common Stock, Shares Outstanding		134,933,582
Amendment Flag	false
Entity Central Index Key	0001101302
Current Fiscal Year End Date	--12-31
Document Fiscal Year Focus	2020
Document Fiscal Period Focus	FY

Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
Current assets:
Cash and cash equivalents	$ 580,893	$ 351,911
Trade accounts and notes receivable, net	264,392	234,409
Inventories, net	323,944	287,098
Deferred tax charges and refundable income taxes	21,136	24,552
Other current assets	43,892	34,427
Total current assets	1,234,257	932,397
Property, plant and equipment, net	525,367	479,544
Other assets:
Right-of-use assets	45,924	50,160
Goodwill	748,037	695,044
Intangible assets, net	337,632	333,952
Deferred tax assets and other noncurrent tax assets	14,519	11,245
Other noncurrent assets	11,960	13,744
Total assets	2,917,696	2,516,086
Current liabilities:
Long-term debt, current maturities	0	4,000
Accounts payable	81,618	84,207
Accrued payroll and related benefits	94,364	62,340
Other accrued liabilities	82,648	87,778
Income taxes payable	43,996	26,108
Total current liabilities	302,626	264,433
Long-term debt, excluding current maturities	1,085,783	932,484
Pension benefit obligations and other liabilities	36,457	37,867
Deferred tax liabilities and other noncurrent tax liabilities	73,606	71,586
Long-term lease liabilities	39,730	43,827
Commitments and contingent liabilities	0	0
Equity:
Preferred stock, par value $.01; 5,000,000 shares authorized; none issued and outstanding	0	0
Common stock, par value $.01; 400,000,000 shares authorized; issued and outstanding shares as of December 31, 2020: 135,148,774 and 134,946,374, respectively; issued and outstanding shares as of December 31, 2019: 134,929,768 and 134,727,368, respectively	1,351	1,349
Treasury stock, common, at cost: 202,400 shares held as of December 31, 2020 and December 31, 2019	(7,112)	(7,112)
Additional paid-in capital	844,850	842,784
Retained earnings	577,833	366,127
Accumulated other comprehensive loss	(37,428)	(37,259)
Total equity	1,379,494	1,165,889
Total liabilities and equity	$ 2,917,696	$ 2,516,086

Consolidated Balance Sheets (Parenthetical) - $ / shares	Dec. 31, 2020	Dec. 31, 2019
Preferred stock, par value	$ 0.01	$ 0.01
Preferred stock, shares authorized	5,000,000	5,000,000
Preferred stock, shares issued	0	0
Preferred stock, shares outstanding	0	0
Common stock, par value	$ 0.01	$ 0.01
Common stock, shares authorized	400,000,000	400,000,000
Common stock, shares issued	135,148,774	134,929,768
Common stock, shares outstanding	134,946,374	134,727,368
Treasury Stock, Shares	202,400	202,400

Consolidated Statements Of Operations - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Net sales	$ 1,859,313	$ 1,591,066	$ 1,550,497
Cost of sales	1,009,591	879,413	830,666
Gross profit	849,722	711,653	719,831
Selling, general and administrative expenses	265,128	284,807	246,534
Engineering, research and development expenses	136,057	121,140	118,456
Amortization	53,092	66,428	62,152
Operating income	395,445	239,278	292,689
Interest expense	48,600	46,962	34,094
Interest income	(786)	(4,652)	(3,839)
Other (income) expense, net	(6,656)	(121,081)	8,002
Income before income tax expense	354,287	318,049	254,432
Income tax expense	59,318	63,189	13,677
Net income	$ 294,969	$ 254,860	$ 240,755
Earnings Per Share:
Basic net income per common share	$ 2.19	$ 1.89	$ 1.71
Diluted net income per common share	$ 2.16	$ 1.87	$ 1.69
Weighted average shares outstanding
Basic	134,837	135,137	141,026
Diluted	136,266	136,568	142,610

Consolidated Statements Of Comprehensive Income - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Net income	$ 294,969	$ 254,860	$ 240,755
Other comprehensive loss, net of tax
Foreign currency translation adjustments	(120)	(3,692)	(10,183)
Pension liability adjustments, net	(49)	69	59
Other comprehensive loss	(169)	(3,623)	(10,124)
Comprehensive income	$ 294,800	$ 251,237	$ 230,631

- Definition

The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

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+ Details

- Definition

Amount after tax and reclassification adjustments of other comprehensive income (loss).

+ References

+ Details

Consolidated Statements Of Equity - USD ($) shares in Thousands, $ in Thousands	Total	Common stock	Treasury Stock, Common	Additional paid-in capital	Retained earnings (deficit)	Foreign currency translation adjustments	Defined benefit pension adjustments
Balance	$ 993,018	$ 1,413	$ 0	$ 867,699	$ 147,418	$ (22,593)	$ (919)
Balance (in shares) at Dec. 31, 2017		141,283
Shares issued under stock plans (in shares)		1,120
Shares issued under stock plans	(9,109)	$ 11	0	(9,120)	0	0	0
Share-based compensation expense	17,112	$ 0	$ 0	17,112	0	0	0
Repurchase and retirement of common stock (in shares)		(6,224)	202
Repurchase and retirement of common stock	(179,315)	$ (62)	$ (7,112)	(38,066)	(134,075)
Dividends, Common Stock, Cash	(39,722)	0	0	33	(39,755)	0	0
Pension liability adjustment	59	0	0	0	0	0	59
Foreign currency translation	(10,183)	0	0	0	0	(10,183)	0
Cumulative effect of change in accounting principle	(590)	0	0	0	(590)	0	0
Net income	240,755	$ 0	$ 0	0	240,755	0	0
Balance (in shares) at Dec. 31, 2018		136,179	202
Balance	1,012,025	$ 1,362	$ (7,112)	837,658	213,753	(32,776)	(860)
Shares issued under stock plans (in shares)		877
Shares issued under stock plans	(1,431)	$ 9	0	(1,440)	0	0	0
Share-based compensation expense	19,629	$ 0	0	19,629	0	0	0
Repurchase and retirement of common stock (in shares)		(2,126)
Repurchase and retirement of common stock	(74,787)	$ (22)	0	(13,084)	(61,681)
Dividends, Common Stock, Cash	(40,784)	0	0	21	(40,805)	0	0
Pension liability adjustment	69	0	0	0	0	0	69
Foreign currency translation	(3,692)	0	0	0	0	(3,692)	0
Net income	254,860	$ 0	$ 0	0	254,860	0	0
Balance (in shares) at Dec. 31, 2019		134,930	202
Balance	1,165,889	$ 1,349	$ (7,112)	842,784	366,127	(36,468)	(791)
Shares issued under stock plans (in shares)		997
Shares issued under stock plans	(16,062)	$ 10	0	(16,072)	0	0	0
Share-based compensation expense	22,920	$ 0	0	22,920	0	0	0
Repurchase and retirement of common stock (in shares)		(778)
Repurchase and retirement of common stock	(44,563)	$ (8)	0	(4,820)	(39,735)	0
Dividends, Common Stock, Cash	(43,490)	0	0	38	(43,528)	0	0
Pension liability adjustment	(49)	0	0	0	0	0	(49)
Foreign currency translation	(120)	0	0	0	0	(120)	0
Net income	294,969	$ 0	$ 0	0	294,969	0	0
Balance (in shares) at Dec. 31, 2020		135,149	202
Balance	$ 1,379,494	$ 1,351	$ (7,112)	$ 844,850	$ 577,833	$ (36,588)	$ (840)

Consolidated Statements Of Equity Consolidated Statement of Equity (Parenthetical) - $ / shares	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Statement of Stockholders' Equity [Abstract]
Common Stock, Dividends, Per Share, Declared	$ 0.32	$ 0.30	$ 0.28

Consolidated Statements Of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Operating activities:
Net income	$ 294,969	$ 254,860	$ 240,755
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation	83,430	74,975	65,116
Amortization	53,092	66,428	62,152
Share-based compensation expense	22,920	19,629	17,112
Provision for deferred income taxes	(7,250)	(14,008)	(11,876)
Charge for excess and obsolete inventory	15,387	11,433	4,496
Amortization of debt issuance costs	2,191	2,330	1,834
Loss on extinguishment of debt	2,378	0	2,429
Other	(1,101)	9,788	9,948
Changes in operating assets and liabilities, net of effects of acquisitions:
Trade accounts receivable and notes receivable	(27,461)	(3,164)	(17,473)
Inventories	(50,772)	(21,354)	(38,100)
Accounts payable and other accrued liabilities	40,162	(22,647)	19,950
Other current assets	(11,952)	7,784	(13,677)
Income taxes payable, refundable income taxes and noncurrent taxes payable	28,490	(3,494)	(30,381)
Other	2,191	(262)	291
Net cash provided by operating activities	446,674	382,298	312,576
Investing activities:
Acquisition of property and equipment	(131,752)	(112,355)	(110,153)
Acquisition of business, net of cash acquired	(111,912)	(277,369)	(380,694)
Other	338	3,884	4,903
Net cash used in investing activities	(243,326)	(385,840)	(485,944)
Financing activities:
Proceeds from short-term borrowings	217,000	0	0
Payments of short-term borrowings	(217,000)	0	0
Proceeds from long-term debt	400,000	0	402,000
Payments of long-term debt	(251,000)	(4,000)	(135,850)
Payments for debt issuance costs	(3,964)	0	(7,400)
Payments for dividends	(43,245)	(40,566)	(39,591)
Issuance of common stock from employee stock plans	8,738	7,291	5,577
Taxes paid related to net share settlement of equity awards	(24,800)	(8,722)	(14,686)
Repurchase and retirement of common stock	(44,563)	(80,321)	(173,781)
Deferred acquisition payment	(16,125)	0	0
Other	(2,892)	(502)	(1,858)
Net cash provided by (used in) financing activities	22,149	(126,820)	34,411
Effect of exchange rate changes on cash and cash equivalents	3,485	211	(4,389)
Increase (decrease) in cash and cash equivalents	228,982	(130,151)	(143,346)
Cash and cash equivalents at beginning of year	351,911	482,062	625,408
Cash and cash equivalents at end of year	580,893	351,911	482,062
Supplemental Cash Flow Information
Contingent consideration obligation	0	686	0
Deferred acquisition payments, net	1,482	19,848	0
Equipment purchases in accounts payable	11,921	11,285	17,624
Repurchase and retirement of common stock to be settled	0	0	5,534
Changes in dividends payable	245	349	131
Schedule of interest and income taxes paid:
Interest paid	42,575	41,711	26,248
Income taxes, net of refunds received	$ 37,228	$ 77,970	$ 54,415

Summary of Significant Accounting Policies	12 Months Ended
Summary of Significant Accounting Policies	Dec. 31, 2020
Accounting Policies [Abstract]
Summary of Significant Accounting Policies	SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES Nature of Operations Entegris, Inc. (Entegris or the Company) is a leading supplier of advanced materials and process solutions for the semiconductor and other high-technology industries. Principles of Consolidation The consolidated financial statements include the accounts of the Company and its majority-owned subsidiaries. Intercompany profits, transactions and balances have been eliminated in consolidation. Use of Estimates and Basis of Presentation The preparation of consolidated financial statements in conformity with accounting principles generally accepted in the United States requires management to make judgments, estimates and assumptions that affect the amounts reported in the consolidated financial statements and accompanying notes. On an ongoing basis, Entegris evaluates its estimates, including those related to receivables, inventories, property, plant and equipment, goodwill, intangible assets, accrued liabilities, income taxes and share-based compensation, among others. Actual results could differ from those estimates. Cash and Cash Equivalents Cash and cash equivalents include cash on hand and highly liquid debt securities with original maturities of three months or less, which are valued at cost and approximate fair value. Allowance for Doubtful Accounts An allowance for uncollectible trade receivables is estimated based on a combination of write-off history, aging analysis and any specific, known troubled accounts. The Company maintains an allowance for doubtful accounts that management believes is adequate to cover expected losses on trade receivables. Inventories Inventories are stated at the lower of cost and net realizable value. Cost is determined by the first-in, first-out (FIFO) method. Leases The Company determines if an arrangement is a lease at inception. Right-of-use (ROU) assets include operating leases. Lease liabilities for operating leases are classified in “Other accrued liabilities” and “Long-term lease liabilities” in our consolidated balance sheet. We do not have material financing leases. Operating assets and liabilities are recognized at commencement date based on the present value of the lease payments over the lease term. As most of our leases do not provide an implicit rate, we use our incremental borrowing rate based on the information available at commencement date in determining the present value of lease payments. We use the implicit rate when readily determinable. The ROU assets includes prepaid lease payments and excludes lease incentives. Lease terms may include options to extend or terminate the lease when it is reasonably certain that the Company will exercise that option. Lease expense for lease payments is recognized on a straight-line basis over the lease term. Lease and non-lease components are generally accounted for separately for real estate leases. For non-real estate leases, we account for the lease and non-lease components as a single lease component. Property, Plant and Equipment Property, plant and equipment are carried at cost and are depreciated on the straight-line method over the estimated useful lives of the assets. When assets are retired or disposed of, the cost and related accumulated depreciation are removed from the accounts, and gains or losses are recognized in the same period. Maintenance and repairs are expensed as incurred, while significant additions and improvements are capitalized. Long-lived assets, including property, plant and equipment, are reviewed for impairment whenever events or changes in circumstances indicate that the carrying amount of an asset or group of assets may not be recoverable based on estimated future undiscounted cash flows. The amount of impairment, if any, is measured as the difference between the net book value and the estimated fair value of the asset(s). Fair Value of Financial Instruments The carrying value of cash equivalents, accounts receivable, accounts payable, accrued payroll and related benefits, and other accrued liabilities approximates fair value due to the short maturity of those instruments. The fair value of long-term debt, including current maturities, based upon models utilizing market observable (Level 2) inputs and credit risk, was $1,126.6 million at December 31, 2020 compared to the carrying amount of long-term debt, including current maturities, of $1,085.8 million at December 31, 2020. Goodwill and Intangible Assets Goodwill represents the excess of acquisition costs over the fair value of the net assets of businesses acquired. Goodwill is not subject to amortization, but is tested for impairment annually at August 31, the Company’s annual testing date, and whenever events or changes in circumstances indicate that impairment may have occurred. The Company compares the carrying value of its reporting units, including goodwill, to their fair value. For reporting units in which the assessment indicates that it is more likely than not that the fair value is more than its carrying value, goodwill is not considered impaired. If the carrying value of the reporting unit exceeds fair value, goodwill is considered impaired. Based on its annual analysis, the Company determined there was no indication of impairment of goodwill and the estimated fair value of each reporting unit substantially exceeded its carrying value. Amortizable intangible assets include, among other items, patented, unpatented and other developed technology and customer-based intangibles, and are amortized using the straight-line method over their respective estimated useful lives. The Company reviews intangible assets and other long-lived assets for impairment if changes in circumstances or the occurrence of events suggest the remaining value may not be recoverable. Derivative Financial Instruments The Company records derivatives as assets or liabilities on the balance sheet and measures such instruments at fair value. Changes in fair value of derivatives are recorded each period in the Company’s consolidated statements of operations. The Company periodically enters into forward foreign currency contracts to reduce exposures relating to rate changes in certain foreign currencies. Certain exposures to credit losses related to counterparty nonperformance exist. However, the Company does not anticipate nonperformance by the counterparties since they are large, well-established financial institutions. None of these derivatives is accounted for as a hedge transaction. Accordingly, changes in the fair value of forward foreign currency contracts are recorded as other expense (income), net, in the Company’s consolidated statements of operations. The fair values of the Company’s derivative financial instruments are based on prices quoted by financial institutions for these instruments. Foreign Currency Translation Assets and liabilities of certain foreign subsidiaries are translated from foreign currencies into U.S. dollars at period-end exchange rates, and the resulting gains and losses arising from translation of net assets located outside the U.S. are recorded as a cumulative translation adjustment, a component of accumulated other comprehensive loss in the consolidated balance sheets. Income statement amounts are translated at the weighted average exchange rates for the year. Translation adjustments are not adjusted for income taxes, as substantially all translation adjustments relate to permanent investments in non-U.S. subsidiaries. Gains and losses resulting from foreign currency transactions are included in other expense (income), net, in the Company’s consolidated statements of operations. Revenue Recognition Revenue is measured based on consideration specified in a contract with a customer, and excludes any sales incentives and amounts collected on behalf of third parties. The Company recognizes revenue when it satisfies a performance obligation by transferring control over a product or service to a customer. Taxes assessed by a governmental authority that are both imposed on and concurrent with a specific revenue-producing transaction, that are collected by the Company from a customer, are excluded from revenue. Shipping and handling costs incurred are recorded in cost of sales in the Company’s consolidated statements of operations. Engineering, Research and Development Expenses Engineering, research and development expenses are expensed as incurred. Share-based Compensation The Company measures the cost of employee services received in exchange for the award of equity instruments based on the fair value of the award at the date of grant. Share-based compensation expense is recognized using the straight-line attribution method to recognize share-based compensation over the service period of the award, with adjustments recorded for forfeitures as they occur. Income Taxes The Company accounts for income taxes under the asset and liability method, which requires the recognition of deferred tax assets and liabilities for the expected future tax consequences of events that have been included in the financial statements. Under this method, deferred tax assets and liabilities are determined on the basis of the differences between the financial statements and tax basis of assets and liabilities using enacted tax rates in effect for the year in which the differences are expected to reverse. The effect of a change in tax rates on deferred tax assets and liabilities is recognized in income tax expense in the period that includes the enactment date. The Company recognizes deferred tax assets to the extent that it believes these assets are more likely than not to be realized. A valuation allowance is recorded to reduce deferred tax assets when it is more likely than not that the Company would not be able to realize all or part of its deferred tax assets. In making such a determination, the Company considers all available positive and negative evidence, including future reversals of existing temporary differences, projected future taxable income, tax-planning strategies, and results of recent operations. If the Company determines that it would be able to realize its deferred tax assets in the future in excess of their net recorded amount, the Company would make an adjustment to the deferred tax asset valuation allowance, which would reduce the provision for income taxes. The Company’s policy for recording interest and penalties associated with audits and unrecognized tax benefits is to record such items as a component of income before taxes. Penalties and interest to be paid or received are recorded in other expense (income), net, in the statement of operations. Comprehensive Income (Loss) Comprehensive income (loss) represents the change in equity resulting from items other than shareholder investments and distributions. The Company’s foreign currency translation adjustments, unrealized gains and losses on available-for-sale investments, and minimum pension liability adjustments are included in accumulated other comprehensive loss. Comprehensive income (loss) and the components of accumulated other comprehensive loss are presented in the accompanying consolidated statements of comprehensive income (loss) and consolidated statements of equity. Recent Accounting Pronouncements Adopted in 2020 In June 2016, the Financial Accounting Standards Board (“FASB”) issued Accounting Standards Update (“ASU”) 2016-13, Financial Instruments - Credit Losses (Topic 326): Measurement of Credit Losses on Financial Instruments. ASU 2016-13 changes the impairment model for most financial assets and certain other instruments. For trade and other receivables, held-to-maturity debt securities, loans and other instruments, entities are required to use a new forward-looking “expected loss” model that replaced the current “incurred loss” model and generally will result in the earlier recognition of allowances for losses. The Company adopted this new guidance in the first quarter of fiscal 2020. The adoption of ASU 2016-13 did not impact the consolidated financial statements. In August 2018, the FASB issued ASU 2018-14, Compensation - Retirement Benefits - Defined Benefit Plans - General (Topic 715-20): Disclosure Framework - Changes to the Disclosure Requirements for Defined Benefit Plans. ASU 2018-14 amends ASC 715 to add, remove and clarify disclosure requirements related to defined benefit pension and other postretirement plans. The Company adopted this guidance in 2020. The adoption of ASU 2018-14 did not impact the consolidated financial statements. Recent Accounting Pronouncements Yet to be Adopted The Company currently has no material recent accounting pronouncements yet to be adopted.

Revenues Revenues

12 Months Ended

Dec. 31, 2020

Revenue from Contract with Customer [Abstract]

Revenue from Contract with Customer

REVENUES

Revenue Recognition Revenue is measured based on consideration specified in a contract with a customer, and excludes any sales incentives and amounts collected on behalf of third parties. The Company recognizes revenue when it satisfies a performance obligation by transferring control over a product or service to a customer.

Taxes assessed by a governmental authority that are both imposed on and concurrent with a specific revenue-producing transaction, that are collected by the Company from a customer, are excluded from revenue.

Shipping and handling costs associated with outbound freight after control over a product has transferred to a customer are accounted for as a fulfillment cost and are included in cost of sales.

The Company recognizes the incremental costs of obtaining contracts as an expense when incurred if the amortization period of the assets that the Company otherwise would have recognized is one year or less.

When the Company receives consideration, or such consideration is unconditionally due, from a customer prior to transferring goods or services to the customer under the terms of a sales contract, the Company records deferred revenue, which represents a contract liability. Such deferred revenue typically results from advance payments received on sales of the Company’s products. The Company makes the required disclosures with respect to deferred revenue below.

The Company does not disclose information about remaining performance obligations that have original expected durations of one year or less.

Nature of goods and services The following is a description of principal activities from which the Company generates its revenues. The Company has three reportable segments. For more detailed information about reportable segments, see note 16 to the consolidated financial statements. For each of the three reportable segments, the recognition of revenue regarding the nature of goods and services provided by the segments are similar and described below. The Company recognizes revenue for product sales at a point in time following the transfer of control of such products to the customer, which generally occurs upon shipment or delivery, depending on the terms of the underlying contracts. For product sales contracts that contain multiple performance obligations, the Company allocates the transaction price to each performance obligation identified in the contract based on relative standalone selling prices, or estimates of such prices, and recognizes the related revenue as control of each individual product is transferred to the customer in satisfaction of the corresponding performance obligations.

The Company generally recognizes revenue for sales of services when the Company has satisfied the performance obligation. The payment terms and revenue recognized is based on time and materials.

The Company also enters into arrangements to license its intellectual property. These arrangements typically permit the customer to use a specialized manufacturing process and in return the Company receives a royalty fee. The Company recognizes revenue for a sales-based or usage-based royalty promised in exchange for a license of intellectual property when the subsequent sale or usage occurs.

The Company offers certain customers cash discounts and volume rebates as sales incentives. The discounts and volume rebates are recorded as a reduction in sales at the time revenue is recognized in an amount estimated based on historical experience and

contractual obligations. The Company periodically reviews the assumptions underlying its estimates of discounts and volume rebates and adjusts its revenues accordingly.

In addition, the Company offers free product rebates to certain customers. The Company utilizes an adjusted market approach to estimate the stand-alone selling price of the loyalty program and allocates a portion of the consideration received to the free product offering. The free product offering is redeemable upon future purchases of the Company’s products. The amount associated with free product rebates is recorded as deferred revenue on the balance sheet and is recognized as revenue when the free product is redeemed or when the likelihood of redemption is remote. The Company has deemed that the amount is immaterial for disclosure.

The Company provides for the estimated costs of fulfilling its obligations under product warranties at the time the related revenue is recognized. The Company estimates the costs based on historical failure rates, projected repair costs, and knowledge of specific product failures (if any). The specific warranty terms and conditions vary depending upon the product sold and the country in which we do business, but generally include parts and labor over a period generally ranging from 90 days to one year. The Company regularly reevaluates its estimates to assess the adequacy of the recorded warranty liabilities and adjusts the amounts as necessary.

The Company’s contracts are generally short-term in nature. Most contracts do not exceed twelve months. Payment terms vary by the type and location of the Company’s customers and the products or services offered. The term between invoicing and when payment is due is not significant. For certain products or services and customer types, the Company requires payment before the products or services are delivered to the customer. Those customers that prepay are represented by the contract liabilities below until the performance obligations are satisfied.

The following table provides information about contract liabilities from contracts with customers. The contract liabilities are included in other accrued liabilities balance in the consolidated balance sheet.


(In thousands)	December 31, 2020		December 31, 2019
Contract liabilities - current	$	13,852	$	13,022

Significant changes in the contract liabilities balances during the period are as follows:


(In thousands)	2020
Revenue recognized that was included in the contract liability balance at the beginning of the period	$	(11,018)
Increases due to cash received, excluding amounts recognized as revenue during the period	11,848

- Definition

The entire disclosure of revenue from contract with customer to transfer good or service and to transfer nonfinancial asset. Includes, but is not limited to, disaggregation of revenue, credit loss recognized from contract with customer, judgment and change in judgment related to contract with customer, and asset recognized from cost incurred to obtain or fulfill contract with customer. Excludes insurance and lease contracts.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-URI http://asc.fasb.org/topic&trid=49130388

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 10
-URI http://asc.fasb.org/extlink&oid=121604090&loc=SL49130551-203045

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 13
-Subparagraph (b)(2)
-URI http://asc.fasb.org/extlink&oid=121604090&loc=SL49130556-203045

Reference 4: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 12
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=121604090&loc=SL49130554-203045

Reference 5: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 9
-URI http://asc.fasb.org/extlink&oid=121604090&loc=SL49130550-203045

Reference 6: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 12
-Subparagraph (e)
-URI http://asc.fasb.org/extlink&oid=121604090&loc=SL49130554-203045

Reference 7: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 12
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=121604090&loc=SL49130554-203045

Reference 8: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 12
-Subparagraph (d)
-URI http://asc.fasb.org/extlink&oid=121604090&loc=SL49130554-203045

Reference 9: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 15
-URI http://asc.fasb.org/extlink&oid=121604090&loc=SL49130558-203045

Reference 10: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 12
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=121604090&loc=SL49130554-203045

+ Details

Acquisition

12 Months Ended

Dec. 31, 2020

Business Combinations [Abstract]

Business Combination Disclosure

ACQUISITIONS

Global Measurement Technologies, Inc.

On July 10, 2020, the Company acquired Global Measurement Technologies, Inc. (“GMTI”), an analytical instrument provider for critical processes in semiconductor production, and its manufacturing partner Clean Room Plastics, Inc. GMTI reports into the Advanced Materials Handling segment of the Company. The acquisition was accounted for under the acquisition method of accounting, and GMTI’s results of operations are included in the Company’s consolidated financial statements as of and since July 10, 2020. Costs associated with the acquisition of GMTI were $1.0 million for the year ended December 31, 2020 and were expensed as incurred. These costs are included in the selling, general and administrative expenses in the Company’s consolidated statement of operations. The acquisition does not constitute a material business combination.

The purchase price for GMTI includes cash consideration of $36.3 million, net of cash acquired, which was funded from the Company’s existing cash on hand.

The purchase price of GMTI exceeds the net of the acquisition-date amounts of the identifiable assets acquired and the liabilities assumed by $16.1 million. Cash flows used to determine the purchase price included strategic and synergistic benefits (investment value) specific to the Company, which resulted in a purchase price in excess of the fair value of identifiable net assets. This additional investment value resulted in goodwill, which is expected to be non-deductible for income tax purposes.

During the quarter ended September 26, 2020, the Company finalized its fair value determination of the assets acquired and the liabilities assumed. The following table summarizes the final allocation of the purchase price to the fair values assigned to the assets acquired and liabilities assumed at the date of the acquisition:


(In thousands):	July 10, 2020
Trade accounts and note receivable, net	$	937
Inventories, net	1,079
Identifiable intangible assets	18,180
Right-of-use assets	337
Accounts payable and accrued liabilities	(28)
Short-term lease liability	(150)
Long-term lease liability	(187)
Net assets acquired	20,168
Goodwill	16,099
Total purchase price, net of cash acquired	$	36,267

The Company recognized the following finite-lived intangible assets as part of the acquisition of GMTI:


(In thousands)	Amount		Weighted average life in years
Developed technology	$	3,570	6.5
Trademarks and trade names	1,010		11.5
Customer relationships	13,600		15.5
	$	18,180	13.5

Sinmat

On January 10, 2020, the Company acquired Sinmat, Inc. (“Sinmat”), a chemical mechanical polishing slurry manufacturer. Sinmat reports into the Specialty Chemicals and Engineered Materials segment of the Company. The acquisition was accounted for under the acquisition method of accounting and Sinmat’s results of operations are included in the Company’s consolidated financial statements as of and since January 10, 2020. Costs associated with the acquisition of Sinmat were $0.7 million for year ended December 31, 2020 and were expensed as incurred. These costs are included in the selling, general and administrative expenses in the Company’s consolidated statement of operations. The acquisition does not constitute a material business combination.

The purchase price for Sinmat includes cash consideration of $76.2 million, or $75.6 million net of cash acquired, which was funded from the Company’s existing cash on hand.

The purchase price of Sinmat exceeds the net of the acquisition-date amounts of the identifiable assets acquired and the liabilities assumed by $31.7 million. Cash flows used to determine the purchase price included strategic and synergistic benefits (investment value) specific to the Company, which resulted in a purchase price in excess of the fair value of identifiable net assets. This additional investment value resulted in goodwill, which is expected to be non-deductible for income tax purposes.

During the quarter ended June 27, 2020, the Company finalized its fair value determination of the assets acquired and the liabilities assumed. The following table summarizes the provisional and final allocations of the purchase price to the fair values assigned to the assets acquired and liabilities assumed at the date of the acquisition date and as adjusted as of June 27, 2020, respectively:


(In thousands):	As of January 10, 2020		As of June 27, 2020
Trade accounts and note receivable, net	$	1,189	$	1,189
Inventories, net	1,010		1,010
Other current assets	8		8
Property, plant and equipment	63		63
Identifiable intangible assets	41,680		41,680
Right-of-use assets	1,712		1,712
Deferred tax asset	—		102
Accounts payable and accrued liabilities	(58)		(58)
Short-term lease liability	(150)		(150)
Long-term lease liability	(1,562)		(1,562)
Net assets acquired	43,892		43,994
Goodwill	31,751		31,651
Total purchase price, net of cash acquired	$	75,643	$	75,645

The Company recognized the following finite-lived intangible assets as part of the acquisition of Sinmat:


(In thousands)	Amount		Weighted average life in years
Developed technology	$	7,650	7.0
Trademarks and trade names	130		1.3
Customer relationships	33,900		15.0
	$	41,680	13.5

Hangzhou Anow Microfiltration Co., Ltd.

On September 17, 2019, the Company acquired Hangzhou Anow Microfiltration Co., Ltd. (“Anow”), a filtration company for diverse industries including semiconductor, pharmaceutical, and medical. Anow reports into the Microcontamination Control segment of the Company. The acquisition was accounted for under the acquisition method of accounting and the results of Anow are included in the Company’s consolidated financial statements as of and since September 17, 2019. Costs associated with the acquisition of Anow were $2.5 million for the year ended December 31, 2019 and were expensed as incurred. These costs are included in selling, general and administrative expenses in the Company’s consolidated statement of operations. The acquisition does not constitute a material business combination.

The purchase price for Anow is $72.8 million, net of cash acquired. The purchase price includes (1) cash consideration of $73.0 million, or $69.3 million net of cash acquired, which was funded from the Company’s existing cash on hand and (2) a $3.5 million deferred payment due to the seller upon the exercise of either the Company’s option to purchase the remaining shares of Anow or the seller’s option to require the Company to purchase such remaining shares.

The purchase price of Anow exceeds the net of the acquisition-date fair value of the identifiable assets acquired and the liabilities assumed by $49.5 million. Cash flows used to determine the purchase price included strategic and synergistic benefits (investment value) specific to the Company, which resulted in a purchase price in excess of the fair value of identifiable net assets. This additional investment value resulted in goodwill, which is expected to be non-deductible for income tax purposes.

During the quarter ended September 26, 2020, the Company finalized its fair value determination of the assets acquired and the liabilities assumed. The following table summarizes the provisional and final allocations of the purchase price to the fair values assigned to the assets acquired and liabilities assumed at the date of the acquisition date and as adjusted as of September 26, 2020, respectively.


(In thousands):	As of September 17, 2019		As of September 26, 2020
Trade accounts and note receivable, net	$	3,455	$	3,455
Inventories, net	4,242		4,459
Other current assets	202		739
Property, plant and equipment	8,863		8,257
Identifiable intangible assets	42,179		16,439
Right-of-use assets	—		2,328

Other noncurrent assets	1,565		74
Accounts payable and accrued liabilities	(1,814)		(5,217)
Short-term lease liability	—		(88)
Long-term lease liability	—		(107)
Deferred tax liabilities	(10,890)		(3,751)
Other noncurrent liabilities	—		(3,270)
Net assets acquired	47,802		23,318
Goodwill	25,212		49,480
Total purchase price, net of cash acquired	$	73,014	$	72,798

The change in the allocation of the purchase price is due to the acquisition occurring near the quarter end date of September 29, 2019, which required an estimated allocation of values.

The Company recognized the following finite-lived intangible assets as part of the acquisition of Anow:


(In thousands)	Amount		Weighted average life in years
Developed technology	$	6,764	6.8
Trademarks and trade names	2,019		7.3
Customer relationships	7,656		14.3

	$	16,439	10.3

MPD Chemicals

On July 15, 2019, the Company acquired MPD Chemicals (“MPD”), a provider of advanced materials to the specialty chemical, technology, and life sciences industries. MPD reports into the Specialty Chemicals and Engineered Material segment of the Company. The acquisition was accounted for under the acquisition method of accounting and MPD’s results of operations are included in the Company’s consolidated financial statements as of and since July 15, 2019. Costs associated with the acquisition of MPD were $4.0 million for the year ended December 31, 2019 and were expensed as incurred. The acquisition does not constitute a material business combination.

The purchase price for MPD is $162.9 million, net of cash acquired. The purchase price includes (1) cash consideration of $158.4 million, which was funded from the Company’s existing cash on hand, and (2) a fixed deferred payment of $5.0 million that is due on January 15, 2022, recorded at $4.5 million, which represents the fair value of this fixed deferred payment as of the acquisition date.

The fair value of the fixed deferred payment was determined by taking the present value of this fixed deferred payment based on the term and a discount factor. The fixed deferred payment is reflected in pension benefit obligations and other liabilities in the Company’s consolidated balance sheets.

The purchase price of MPD exceeds the net of the acquisition-date amounts of the identifiable assets acquired and the liabilities assumed by $63.2 million. Cash flows used to determine the purchase price included strategic and synergistic benefits (investment value) specific to the Company, which resulted in a purchase price in excess of the fair value of identifiable net assets. This additional investment value resulted in goodwill, which is expected to be deductible for income tax purposes.

During the quarter ended June 27, 2020, the Company finalized its fair value determination of the assets acquired and liabilities assumed. The following table summarizes the provisional and final allocations of the purchase price to the fair values assigned to the assets acquired and liabilities assumed at the date of the acquisition date and adjusted as of June 27, 2020, respectively:


(In thousands):	As of July 15, 2019		As of June 27, 2020
Trade accounts and note receivable, net	$	3,575	$	3,575
Inventories, net	21,899		8,689

Other current assets	318		313
Property, plant and equipment	14,571		11,465
Identifiable intangible assets	74,900		79,390
Right-of-use assets	3,677		3,621


Accounts payable and accrued liabilities	(2,440)		(1,874)
Short-term lease liabilities	(144)		(88)
Long-term lease liabilities	(4,016)		(4,016)
Other noncurrent liabilities	(1,416)		(1,416)
Net assets acquired	110,924		99,659
Goodwill	51,457		63,246
Total purchase price, net of cash acquired	$	162,381	$	162,905

The Company recognized the following finite-lived intangible assets as part of the acquisition of MPD:


(In thousands)	Amount		Weighted average life in years
Developed technology	$	12,750	11.0
Trademarks and trade names	620		2.0
Customer relationships	66,020		17.0
	$	79,390	16.0

Trade Accounts and Notes Receivable

12 Months Ended

Dec. 31, 2020

Accounts, Notes, Loans and Financing Receivable, Gross, Allowance, and Net [Abstract]

Trade Accounts and Notes Receivable

TRADE ACCOUNTS AND NOTES RECEIVABLE

Trade accounts and notes receivable from customers at December 31, 2020 and 2019 consist of the following:


(In thousands)	2020		2019
Accounts receivable	$	264,771	$	233,274
Notes receivable	2,005		2,280
Total trade accounts and notes receivable	266,776		235,554
Less allowance for doubtful accounts	2,384		1,145
Trade accounts and notes receivable, net	$	264,392	$	234,409

Inventories

12 Months Ended

Dec. 31, 2020

Inventory Disclosure [Abstract]

Inventories

INVENTORIES

Inventories at December 31, 2020 and 2019 consist of the following:


(In thousands)	2020		2019
Raw materials	$	97,319	$	92,849
Work-in-process	32,316		30,856
Finished goods (a)	194,309		163,393
Inventories, net	$	323,944	$	287,098

(a) Includes consignment inventories held by customers of $13.0 million and $13.6 million at December 31, 2020 and 2019, respectively.

Property, Plant and Equipment

12 Months Ended

Dec. 31, 2020

Property, Plant and Equipment [Abstract]

Property, Plant and Equipment

PROPERTY, PLANT AND EQUIPMENT

Property, plant and equipment at December 31, 2020 and 2019 consists of the following:


(In thousands)	2020		2019		Estimated useful lives in years
Land	$	23,901	$	27,184
Buildings and improvements	238,586		220,563		5-35
Manufacturing equipment	365,511		350,664		5-10
Canisters and cylinders	120,113		107,108		3-12
Molds	76,283		75,482		3-5
Office furniture and equipment	165,950		157,770		3-8
Construction in progress	109,280		63,197
Total property, plant and equipment	1,099,624		1,001,968
Less accumulated depreciation	574,257		522,424
Property, plant and equipment, net	$	525,367	$	479,544

The table below sets forth the depreciation expense for the years ended December 31, 2020, 2019 and 2018:


(In thousands)	2020		2019		2018
Depreciation expense	$	83,430	$	74,975	$	65,116

Goodwill and Intangible Assets

12 Months Ended

Dec. 31, 2020

Goodwill and Intangible Assets Disclosure [Abstract]

Intangible Assets

GOODWILL AND INTANGIBLE ASSETS

Goodwill activity for each of the Company’s reportable segments that carry goodwill, Specialty Chemicals and Engineered Materials (“SCEM”), Microcontamination Control (“MC”) and Advanced Materials Handling (“AMH”), for the years ended December 31, 2020 and 2019 is shown below:


(In thousands)	SCEM		MC		AMH		Total
December 31, 2018	$	301,423	$	191,708	$	57,071	$	550,202
Addition due to acquisitions	98,410		47,711		—		146,121
Purchase accounting adjustments	—		451		—		451
Foreign currency translation	(1,881)		151		—		(1,730)
December 31, 2019	397,952		240,021		57,071		695,044
Addition due to acquisitions	31,751		—		16,099		47,850
Purchase accounting adjustments	1,276		1,769		—		3,045
Foreign currency translation	(3,266)		5,364		—		2,098
December 31, 2020	$	427,713	$	247,154	$	73,170	$	748,037

As of December 31, 2020, goodwill amounted to approximately $748.0 million, an increase of $53.0 million from the balance at December 31, 2019. The increase in goodwill in 2020 reflects the acquisition of GMTI and Sinmat described in note 3 with additional increases as a result of purchase accounting adjustments related to Anow and foreign currency translation. The increase in goodwill in 2019 reflects the acquisition of Digital Specialty Chemicals Limited, MPD, and Anow described in note 3 partially offset by the decrease resulting from foreign currency translation.

Identifiable intangible assets at December 31, 2020 and 2019 consist of the following:


2020
(In thousands)	Gross carrying amount		Accumulated amortization		Net carrying value		Weighted average life in years
Developed technology	$	283,272	$	221,651	$	61,621	7.1
Trademarks and trade names	30,100		18,374		11,726		10.1
Customer relationships	449,659		193,313		256,346		12.2
Other	20,396		12,457		7,939		6.6
	$	783,427	$	445,795	$	337,632	10.1


2019
(In thousands)	Gross carrying amount		Accumulated amortization		Net carrying value		Weighted average life in years
Developed technology	$	272,334	$	204,689	$	67,645	7.1
Trademarks and trade names	29,106		16,326		12,780		10.1
Customer relationships	405,537		161,551		243,986		11.8
Other	36,303		26,762		9,541		4.1
	$	743,280	$	409,328	$	333,952	9.7

The table below sets forth the amortization expense for the years ended December 31, 2020, 2019, and 2018:


(In thousands)	2020		2019		2018
Amortization expense	$	53,092	$	66,428	$	62,152

The amortization expense for each of the five succeeding years and thereafter relating to intangible assets currently recorded in the Company’s consolidated balance sheets is estimated to be the following at December 31, 2020:


(In thousands)	2021		2022	2023	2024	2025	Thereafter	Total
Future amortization expense	$	48,535	47,724	47,035	33,933	31,335	129,070	$	337,632

Debt

12 Months Ended

Dec. 31, 2020

Debt Disclosure [Abstract]

Debt

DEBT

Long-term debt at December 31, 2020 and 2019 consists of the following:


(In thousands)	2020		2019

Senior unsecured notes due 2028	$	400,000	$	—
Senior secured term loan facility due 2025	145,000		396,000
Senior unsecured notes due 2026	550,000		550,000
	1,095,000		946,000
Unamortized discount and debt issuance costs	9,217		9,516
Total long-term debt	1,085,783		936,484
Less current maturities of long-term debt	—		4,000
Long-term debt less current maturities	$	1,085,783	$	932,484

Annual maturities of long-term debt, excluding unamortized discount and issuance costs, due as of December 31, 2020 are as follows:


(In thousands)	2021		2022	2023	2024	2025	Thereafter	Total
Contractual debt obligation maturities*	$	—	—	—	—	145,000	950,000	$	1,095,000

*Subject to Excess Cash Flow payments to the lenders, see discussion below.

2028 Senior Unsecured Notes

On April 30, 2020, the Company issued $400.0 million aggregate principal amount of 4.375% senior unsecured notes due April 15, 2028 (the “2028 Notes”). The 2028 Notes were issued under an indenture dated as of April 30, 2020 (the “2028 Notes Indenture”) by and among the Company, certain subsidiaries of the Company and Wells Fargo Bank, National Association, as trustee (the “2028 Notes Trustee”). Interest on the 2028 Notes is payable semi-annually in arrears on April 15 and October 15 of each year, commencing on October 15, 2020. The Company incurred debt issuance costs of $4.0 million in connection with the 2028 Notes. These costs are reported in the consolidated balance sheet as a direct deduction from the face amount of the 2028 Notes.

The 2028 Notes are guaranteed, jointly and severally, fully and unconditionally, on a senior unsecured basis, by the Company’s existing and future domestic subsidiaries, other than certain excluded subsidiaries, to the extent that such entities guarantee indebtedness under the Company’s senior secured term loan facility due 2025 and senior secured revolving credit facility due 2023 (together, the “Senior Secured Credit Facilities”) or the Company’s 4.625% senior unsecured notes due 2026 (the “2026 Notes”) and any other subsidiary of the Company to the extent it incurs certain additional indebtedness (collectively, the “Guarantors”).

The 2028 Notes and the guarantees thereof are the Company’s and the Guarantors’ senior unsecured obligations, respectively, and will (i) rank equally in right of payment with all of the Company’s and the Guarantors’ existing and future senior

indebtedness (including the 2026 Notes); (ii) rank senior to any subordinated indebtedness that the Company or the Guarantors may incur; (iii) be effectively subordinated to all of the Company’s or the Guarantors’ existing and future secured indebtedness (including the Senior Secured Credit Facilities), in each case, to the extent of the value of the assets securing such indebtedness; and (iv) be structurally subordinated in right of payment to all existing and future obligations of the Company’s subsidiaries that do not guarantee the 2028 Notes.

At any time prior to April 15, 2023, the Company may, at its option, on any one or more occasions, redeem up to 40% of the aggregate principal amount of the 2028 Notes, at a redemption price equal to 104.375% of the principal amount of the 2028 Notes redeemed, plus accrued and unpaid interest, if any, to, but not including, the date of redemption, with an amount of cash equal to the net cash proceeds of an equity offering, as defined in the 2028 Notes Indenture, by the Company; provided that (1) at least 60% of the aggregate principal amount of 2028 Notes issued under the 2028 Notes Indenture remains outstanding immediately after the occurrence of each such redemption; and (2) the redemption occurs within 120 days of the date of the closing of such equity offering.

Additionally, at any time prior to April 15, 2023, the 2028 Notes may be redeemed, in whole or in part, at the option of the Company, at a redemption price equal to 100% of the principal amount of the 2028 Notes redeemed, plus a “make whole” premium, plus accrued and unpaid interest to, but not including, the applicable redemption date.

On or after April 15, 2023, the Company may on any one or more occasions redeem all or a part of the 2028 Notes, at its option, at the redemption prices (expressed as percentages of principal amount) set forth below, plus accrued and unpaid interest, if any, on the 2028 Notes redeemed, to, but not including, the applicable date of redemption, if redeemed during the 12-month period beginning on April 15 of the years indicated below:


Year	Percentage
2023	102.188	%
2024	101.094	%
2025 and thereafter	100.000	%

Upon the occurrence of certain change of control events accompanied by certain ratings events, the Company will be required to offer to repurchase all of the outstanding 2028 Notes at a purchase price of 101% of the principal amount thereof, plus accrued and unpaid interest, if any, to, but not including, the date of repurchase.

The 2028 Notes Indenture that governs the 2028 Notes contains covenants that, among other things, limit the Company’s ability and/or the ability of the Company’s subsidiaries to incur liens, engage in sale and leaseback transactions and consolidate, merge with or convey, transfer or lease all or substantially all of the Company’s and its subsidiaries’ assets to another person. The 2028 Notes Indenture also, subject to certain exceptions, limits the ability of any non-Guarantor subsidiary of the Company to incur indebtedness. These covenants are subject to a number of other limitations and exceptions as set forth in the 2028 Notes Indenture. The Company is in compliance with all of the above covenants at December 31, 2020.

The 2028 Notes Indenture provides for events of default which, if certain of them occur, would permit the 2028 Notes Trustee or the holders of at least 25% in aggregate principal amount of the then outstanding 2028 Notes to declare the principal of, and interest or premium, if any, and any other monetary obligations on, all the then-outstanding 2028 Notes to be due and payable immediately.

2026 Senior Unsecured Notes

On November 10, 2017, the Company issued $550 million aggregate principal amount of 4.625% senior unsecured notes due February 10, 2026 (“the 2026 Notes”). The 2026 Notes were issued under an indenture dated as of November 10, 2017 (the “2026 Notes Indenture”) by and among the Company and Wells Fargo Bank, National Association, as trustee. Interest on the 2026 Notes is payable semi-annually in arrears on February 15 and August 15, which commenced on February 15, 2018.

The 2026 Notes are guaranteed, jointly and severally, fully and unconditionally, on a senior unsecured basis, by, subject to certain exclusions, each of the Company’s domestic subsidiaries that guarantee indebtedness under the New Credit Facilities.

As provided in the 2026 Notes Indenture, the Company may at its option on one or more occasions redeem all or a part of the 2026 Notes at a redemption price equal to (a) 100% of the principal amount of the 2026 Notes redeemed plus a make-whole premium if redeemed prior to November 10, 2020, or (b) 100% of the principal amount of the 2026 Notes redeemed plus a percentage of principal amount between 100% and 103.469% of the aggregate principal amount of the 2026 Notes to be redeemed, depending on the period of redemption, if redeemed on or after November 10, 2020, plus, in each case, accrued and unpaid interest on the amount of 2026 Notes being redeemed.

Upon a change in control accompanied by certain rating events, the Company is required to offer to repurchase all of the 2026 Notes at a price in cash equal to 101% of the aggregate principal amount thereof, plus accrued and unpaid interest, if any, to, but not including, the date of repurchase.

The 2026 Notes Indenture contains covenants that, among other things and subject to certain exceptions, limit the Company’s ability and the ability of the Company’s restricted subsidiaries to create liens, enter into sale and leaseback transactions, engage in consolidations or mergers, or sell, transfer or otherwise dispose of all or substantially all of their assets. The 2026 Notes Indenture also, subject to certain exceptions, limits the ability of any subsidiary of the Company that is not a guarantor under the 2026 Notes to incur indebtedness. The Company is in compliance with all of the above covenants at December 31, 2020.

The 2026 Notes Indenture also provides for events of default which, if certain of them occur, would permit the trustee or the holders of at least 25% in aggregate principal amount of the then outstanding 2026 Notes to declare the principal, premium, if any, interest and any other monetary obligations on all the then-outstanding 2026 Notes to be due and payable immediately.

Senior Secured Credit Facilities

On November 6, 2018, the Company entered into a credit and guaranty agreement with Goldman Sachs Bank USA, as administrative agent and collateral agent, and added two additional lenders to the lenders party thereto. The credit agreement was amended in October 2019 (as so amended, the “Credit Agreement”) to change the administrative agent and collateral agent to Morgan Stanley and add two lenders. The Credit Agreement provides senior secured financing in an aggregate principal amount of $700 million, consisting initially of (a) term loans in an aggregate principal amount of $400 million (the “New Term Loan Facility”) and (b) revolving commitments in an aggregate amount of $300 million (the “New Revolving Facility”, and together with the New Term Loan Facility, the “New Credit Facilities”). Borrowings under the New Credit Facilities bear interest at a rate per annum equal to, at the Company’s option, a base rate (such as prime rate or LIBOR) plus an applicable margin. The Company’s interest rate on the term loans under the New Term Loan Facility is 2.15% at December 31, 2020. In addition to paying interest on the outstanding principal under the New Credit Facilities, the Company will pay (i) with respect to the New Term Loan Facility, customary agency fees, and (ii) with respect to the New Revolving Facility, a commitment fee in respect of the unutilized commitments thereunder and customary letter of credit fees and agency fees. The initial commitment fee is 0.20% per annum.

Debt issuance costs of $5.1 million for the year ended December 31, 2018 were paid to third parties and are capitalized as debt issuance costs in connection with the New Credit Facilities. These debt issuance costs are being amortized as interest expense in the Company’s consolidated statements of operations over the term of the debt instrument using the straight-line method.

The Company may voluntarily prepay outstanding term loans and revolving loans under the New Credit Facilities and may reduce the unutilized portion of the New Revolving Facility at any time without premium or penalty other than customary “breakage” costs with respect to LIBOR loans.

At present LIBOR is expected to be published only on a limited basis after 2021. The Company’s New Credit Facilities do not specify a particular “hard-wired” replacement index rate (or related margin) when LIBOR becomes unavailable, but rely on the administrative agent and the Company reaching agreement on such a replacement rate (and related margin) that gives due consideration to the then prevailing market convention for determining rates of interest for syndicated loans denominated in US dollars in the United States. The Company expects to amend the New Credit Facilities to provide a market-based replacement index rate and margin prior to the time when LIBOR is no longer available.

The Credit Agreement also requires the Company to prepay outstanding term loans, subject to certain exceptions, with (a) up to 50% of the Company’s annual Excess Cash Flow (as defined in the Credit Agreement) and (b) 100% of the net cash proceeds of (i) certain asset sales and casualty and condemnation events, subject to reinvestment rights and certain other exceptions; and (ii) any incurrence or issuance of certain debt, other than debt permitted under the New Credit Facilities.

The New Term Loan Facility matures November 6, 2025 and the New Revolving Facility matures November 6, 2023. At December 31, 2020, the only outstanding amounts under the New Revolving Facility were undrawn outstanding letters of credit of $0.2 million.

All obligations under the New Credit Facilities are unconditionally guaranteed by certain of the Company’s wholly-owned domestic subsidiaries and are secured, subject to certain exceptions, by substantially all of the Company’s assets and the assets of the Company’s subsidiaries that have guaranteed the New Credit Facilities.

The New Credit Facilities contain a number of negative covenants that, subject to certain exceptions, restrict the Company’s ability and each of the Company’s subsidiaries’ ability to incur additional indebtedness; pay dividends on its capital stock or redeem, repurchase or retire its capital stock or its other indebtedness; make investments, loans and acquisitions, create restrictions on the payment of dividends or other amounts to the Company from the Company’s restricted subsidiaries; engage in transactions with its affiliates; sell assets, including capital stock of its subsidiaries; materially alter the business it conducts; consolidate or merge; incur liens; and engage in sale-leaseback transactions. If at any time, commencing with the fiscal quarter

ending March 31, 2019, the Company has revolving borrowings, unreimbursed letter of credit drawings and undrawn letters of credit outstanding in an amount in excess of 35.0% of the commitment amount under the New Revolving Facility, the Credit Agreement requires the Company to maintain a secured net leverage ratio of at least 3.25 to 1.0. The Company is in compliance with all of the above covenants at December 31, 2020.

Other Income (Expense), Net

12 Months Ended

Dec. 31, 2020

Other Income and Expenses [Abstract]

Other Income and Other Expense Disclosure [Text Block]

OTHER (INCOME) EXPENSE, NET

The table below sets forth the Other (income) expense, net for the years ended December 31, 2020, 2019 and 2018:


(In thousands)	2020		2019		2018
Versum termination fee, net	$	—	$	(122,000)	$	—
(Gain) loss on foreign currency remeasurement	(9,751)		(237)		4,391
Loss on extinguishment of debt	2,378		—		2,429
Other, net	717		1,156		1,182
Other (income) expense, net	$	(6,656)	$	(121,081)	$	8,002

Versum termination fee, net

On January 28, 2019, the Company and Versum announced that they had entered into an Agreement and Plan of Merger, dated as of January 27, 2019 (the “Merger Agreement”), pursuant to which they agreed to combine in a merger of equals. On April 8, 2019, Versum announced that its Board of Directors had received a proposal from Merck KGaA to acquire Versum and that its Board of Directors had deemed such proposal as a “Superior Proposal” as defined in the Merger Agreement. On April 12, 2019, the Company received a termination notice from Versum terminating the Merger Agreement. In accordance with the terms of the Merger Agreement, Entegris received a $140.0 million termination fee from Versum in the second quarter of 2019. Also in the second quarter of 2019, the Company paid a fee of $18.0 million to the third-party financial adviser it had engaged to assist with the transaction.

Lease Commitments

12 Months Ended

Dec. 31, 2020

Leases [Abstract]

Lessee, Operating Leases

LEASES

Adoption of ASC ASU No. 2016-02, Leases On January 1, 2019, the Company adopted ASU No. 2016-02 using the modified retrospective method applied to existing leases in place as of January 1, 2019. Leases entered into after January 1, 2019 are presented under the provisions of ASU No. 2016-02, while prior periods are not adjusted and continue to be reported in accordance with previous accounting guidance. Leases commencing or renewing after the adoption date are evaluated based on the guidance in ASU No. 2016-02 and may result in more finance leases being recognized even for the renewal of previously classified operating leases.

The Company elected to adopt the ‘package of practical expedients’, which permitted the Company not to reassess under the new standard our prior conclusions about lease identification, lease classification and initial direct costs. The Company also elected the practical expedient pertaining to land easements, which allowed the Company to exclude evaluation of all existing land easements in connection with the adoption of the new lease requirements to assess whether they meet the definition of a lease. The Company did not elect the use-of-hindsight practical expedient and therefore did not reassess the lease terms for purposes of calculation of the lease liabilities and right-of-use assets at the adoption date. The Company elected the short-term lease recognition exemption for all leases that qualified. This means, for those leases that qualified, the Company did not recognize right-of-use assets or lease liabilities, and this included not recognizing right-of-use assets or lease liabilities for existing short-term leases of those assets in transition. The Company also elected the practical expedient to not separate lease and non-lease components for all leases other than leases of real estate, and this included not separating lease and non-lease components for all leases other than leases of real estate in transition.

The Company adopted ASU 2016-02 using the modified retrospective method, recognizing the cumulative effect of application as an adjustment to the opening balance sheet. The standard had a material impact on our consolidated balance sheets, but did not have a material impact on our consolidated statement of income or cash flows. The most significant impact was the recognition of the right-of-use asset and lease liabilities for operating leases. As of December 31, 2020 and 2019, we do not have any material finance leases.

Leases As of December 31, 2020, the Company was obligated under operating lease agreements for certain sales offices and manufacturing facilities, manufacturing equipment, vehicles, information technology equipment and warehouse space. Our leases have remaining lease terms of 1 year to 14 years, some of which may include options to extend the lease for up to 6 years, and some of which may include options to terminate the leases within 1 year.

As of December 31, 2020 and 2019, the Company’s operating lease components with initial or remaining terms in excess of one year were classified on the consolidated balance sheet as follows, together with certain supplemental balance sheet information:


(In thousands)	Classification	2020			2019
Assets
Right-of-use assets	Right-of-use assets	$	45,924		$	50,160
Liabilities
Short-term lease liability	Other accrued liabilities	9,960			10,025
Long-term lease liability	Long-term lease liability	39,730			43,827
Total lease liabilities		$	49,690		$	53,852
Lease Term and Discount Rate
Weighted average remaining lease term (years)		7.9			8.4
Weighted average discount rate		5.0		%	4.9		%

Expense for leases less than 12 months for the year ended December 31, 2020 and 2019 were not material. The components of lease expense for the year ended December 31, 2020 and 2019 are as follows:


(In thousands)	2020		2019
Operating lease cost	$	13,576	$	12,538

The Company combines the amortization of the right-of-use assets and the change in the operating lease liability in the same line item in the Statement of Cash Flows. Other information related to the Company’s operating leases for the year ended December 31, 2020 and 2019 are as follows:


(In thousands)	2020		2019
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash flows from leases	$	10,806	$	11,137
Right-of-use assets obtained in exchange for lease obligations:
Operating leases	$	5,133	$	9,077

Future minimum lease payments for noncancellable operating leases as of December 31, 2020 and 2019, were as follows:


(In thousands)	2020		2019
2021	$	12,365	$	12,407
2022	8,571		10,221
2023	6,851		6,909
2024	5,752		6,055
2025	4,876		5,052
Thereafter	23,742		26,904
Total	$	62,157	$	67,548
Less: Interest	12,467		13,696
Present value of lease liabilities	$	49,690	$	53,852

Asset Retirement Obligations

12 Months Ended

Dec. 31, 2020

Asset Retirement Obligation [Abstract]

Asset Retirement Obligations

ASSET RETIREMENT OBLIGATIONS

The Company has asset retirement obligations (“AROs”) related to environmental disposal obligations associated with cylinders used to supply customers with gas products, and certain restoration obligations associated with its leased facilities.

Changes in the carrying amounts of the Company’s AROs for the years ended December 31, 2020 and 2019 are shown below:


(In thousands)	2020		2019
Balance at beginning of year	$	13,940	$	12,543
Liabilities assumed in acquisitions	—		1,416
Liabilities settled	—		(102)
Liabilities incurred	218		546
Accretion expense	216		75
Revision of estimate	126		(538)
Balance at end of year	$	14,500	$	13,940

ARO liabilities expected to be settled within twelve months are included in the consolidated balance sheets in other accrued liabilities, while all other ARO liabilities are included in pension benefit obligations and other liabilities in the consolidated balance sheets.

Income Taxes

12 Months Ended

Dec. 31, 2020

Income Tax Disclosure [Abstract]

Income Taxes

INCOME TAXES

Income before income taxes for the years ended December 31, 2020, 2019 and 2018 was derived from the following sources:


(In thousands)	2020		2019		2018
Domestic	$	86,572	$	145,215	$	61,545
Foreign	267,715		172,834		192,887
Income before income tax expense	$	354,287	$	318,049	$	254,432

Income tax expense for the years ended December 31, 2020, 2019 and 2018 is summarized as follows:


(In thousands)	2020		2019		2018
Current:
Federal	$	8,107	$	35,497	$	(14,775)
State	1,151		2,625		1,605
Foreign	57,310		39,075		38,723
	66,568		77,197		25,553
Deferred (net of valuation allowance):
Federal	(592)		(10,966)		(13,399)
State	(407)		(1,018)		(370)
Foreign	(6,251)		(2,024)		1,893
	(7,250)		(14,008)		(11,876)
Income tax expense	$	59,318	$	63,189	$	13,677

Income tax expense differs from the expected amounts based upon the statutory federal tax rates for the years ended December 31, 2020, 2019 and 2018 as follows:


(In thousands)	2020		2019		2018
Expected federal income tax at statutory rate	$	74,400	$	66,790	$	53,431
State income taxes before valuation allowance, net of federal tax effect	(1,539)		(1,563)		605
Effect of foreign source income	(7,877)		(1,362)		2,359
Tax contingencies	1,688		1,785		468
Valuation allowance	9,281		2,051		527
U.S. federal research credit	(7,204)		(6,514)		(2,263)
Equity compensation	(8,231)		(1,411)		(3,826)
Transition tax	—		—		89
Remeasurement of deferred taxes	—		—		619

Foreign derived intangible income	(1,153)		(7,851)		(4,846)
Legal entity restructuring foreign tax credit	—		—		(25,080)
Legal entity restructuring dividends received deduction	—		9,398		(9,398)
Other items, net	(47)		1,866		992
Income tax expense	$	59,318	$	63,189	$	13,677

In 2012, Entegris’ Korean subsidiary made commitments to produce a certain line of products in Korea. In return for this commitment, the Company had a tax holiday on income earned on sales of these products for five years and a partial holiday for two additional years. The income tax benefit attributable to this tax holiday was $4 million ($0.03 per diluted share) for the year ended December 31, 2018. The tax holiday benefit ceased during the year ended December 31, 2018.

The Company has made employment and spending commitments to Singapore. In return for those commitments, the Company has been granted a partial tax holiday for eight years starting in 2013. During 2017, this agreement was extended to 2027 in exchange for revised employment and spending commitments. The income tax benefits attributable to the tax status are $9.4 million ($0.07 per diluted share), $5.8 million ($0.04 per diluted share) and $6.3 million ($0.04 per diluted share) for the years

ending December 31, 2020, 2019 and 2018, respectively. The 2020, 2019 and 2018 effective tax rates include additional benefits of $5.4 million, $3.3 million and $3.6 million, because the corporate tax rate in Singapore is lower than the U.S. rate.

At December 31, 2020, there were approximately $66.6 million of accumulated undistributed earnings of subsidiaries outside of the United States, all of which are considered to be indefinitely reinvested. Management estimates that no material withholding taxes would be incurred if these undistributed earnings were distributed.

The significant components of the Company’s deferred tax assets and deferred tax liabilities at December 31, 2020 and 2019 are as follows:


(In thousands)	2020		2019
Deferred tax assets attributable to:
Accounts receivable	$	436	$	87
Inventory	4,566		6,517
Accruals not currently deductible for tax purposes	12,828		7,568
Net operating loss and credit carryforwards	33,347		22,316

Equity compensation	3,001		3,415
Asset impairments	452		452
Other, net	6,212		5,990
Gross deferred tax assets	60,842		46,345
Valuation allowance	(29,399)		(20,118)
Total deferred tax assets	31,443		26,227
Deferred tax liabilities attributable to:
Purchased intangible assets	(38,083)		(44,447)
Depreciation	(13,276)		(6,491)
Total deferred tax liabilities	(51,359)		(50,938)
Net deferred tax liabilities	$	(19,916)	$	(24,711)

Deferred tax assets are generally required to be reduced by a valuation allowance if, based on the weight of available positive and negative evidence, it is more likely than not that some portion or all of the deferred tax assets will not be realized.

As of December 31, 2020 and 2019, the Company had net U.S. deferred tax liabilities of $4.7 million and $12.2 million, respectively, which are composed of temporary differences and various tax credit carryforwards. Management believes that it is more likely than not that the benefit from certain state net operating loss carryforwards, state credit carryforwards and the federal foreign tax credit carryforward will not be realized. In recognition of this risk, management has provided valuation allowances of $18.6 million and $10.4 million as of December 31, 2020 and 2019, respectively, on the related deferred tax assets. If the assumptions change and management determines the assets will be realized, the tax benefits relating to any reversal of the valuation allowance on deferred tax assets at December 31, 2020 will be recognized as a reduction of income tax expense.

At December 31, 2020, the Company had state operating loss and credit carryforwards of approximately $12.4 million, which begin to expire in 2021, and foreign operating loss carryforwards of $30.2 million, which begin to expire in 2021.

As of December 31, 2020 and 2019, the Company had net non-U.S. deferred tax assets of $14.1 million and $7.7 million, respectively, for which management determined based upon the available evidence a valuation allowance of $10.8 million and $9.7 million as of December 31, 2020 and 2019, respectively, was required against the non-U.S. gross deferred tax assets. For other non-U.S. jurisdictions, management relies upon projections of future taxable income to utilize deferred tax assets.

Benefits from tax positions should be recognized in the financial statements only when it is more likely than not that the tax positions will be sustained upon examination by the appropriate taxing authority that would have full knowledge of all relevant information. A tax position that meets the more-likely-than-not recognition threshold is measured at the largest amount of benefit that is greater than fifty percent likely of being realized upon ultimate settlement. Tax positions that fail to meet the more-likely-than-not recognition threshold should be recognized in the first subsequent financial reporting period in which that threshold is met. Previously recognized tax positions that no longer meet the more-likely-than-not recognition threshold should be derecognized in the first subsequent financial reporting period in which that threshold is no longer met. The provisions also provide guidance on the accounting for and disclosure of unrecognized tax benefits, interest and penalties.

Reconciliations of the beginning and ending balances of the total amounts of gross unrecognized tax benefits for the years ended December 31, 2020 and 2019 are as follows:


(In thousands)	2020		2019
Gross unrecognized tax benefits at beginning of year	$	16,194	$	12,295
Increase in tax positions from prior years	412		1,786
Decrease in tax positions from prior years	(453)		(54)
Increases in tax positions for current year	3,463		3,414
Settlement of tax positions for current year	(532)		(421)
Lapse in statute of limitations	(1,689)		(826)
Gross unrecognized tax benefits at end of year	$	17,395	$	16,194

The total amount of net unrecognized tax benefits that, if recognized, would effect the effective tax rate was $12.9 million at December 31, 2020.

Penalties and interest paid or received are recorded in other income, net in the consolidated statements of operations. As of December 31, 2020 and 2019, the Company had accrued interest and penalties related to unrecognized tax benefits of $4.9 million and $3.9 million, respectively. Expenses of $0.9 million, $0.6 million and $0.8 million were recognized as interest and penalties in the consolidated statements of operations for the years ended December 31, 2020, 2019 and 2018, respectively.

The Company files income tax returns in the U.S. and in various state, local and foreign jurisdictions. The statutes of limitations related to both the consolidated federal income tax return and state returns are closed for all years up to and including 2016 and 2016, respectively. With respect to foreign jurisdictions, the statute of limitations varies from country to country, with the earliest open year for the Company’s major foreign subsidiaries being 2014.

Due to the expiration of various statutes of limitations and settlement of audits, it is reasonably possible that the Company’s gross unrecognized tax benefit balance may decrease within the next twelve months by approximately $2.3 million.

- Definition

The entire disclosure for income taxes. Disclosures may include net deferred tax liability or asset recognized in an enterprise's statement of financial position, net change during the year in the total valuation allowance, approximate tax effect of each type of temporary difference and carryforward that gives rise to a significant portion of deferred tax liabilities and deferred tax assets, utilization of a tax carryback, and tax uncertainties information.

+ References + Details

Equity

12 Months Ended

Dec. 31, 2020

Equity [Abstract]

Equity

EQUITY

Dividend

Holders of the Company’s common stock are entitled to receive dividends when and if they are declared by the Company’s Board of Directors. The Company’s Board of Directors declared a cash dividend of $0.08 per share during the first, second, third and fourth quarters of 2020, payments for which totaled $43.5 million. The Company’s Board of Directors declared a cash dividend of $0.07 per share during the first and second quarters and $0.08 per share during the third and fourth quarters of 2019, payments for which totaled $40.8 million. During 2018, the Company’s Board of Directors declared a cash dividend of $0.07 per share during the first, second, third and fourth quarters of 2018, payments for which totaled $39.7 million.

On January 13, 2021, the Company’s Board of Directors declared a quarterly cash dividend of $0.08 per share to be paid on February 17, 2021 to shareholders of record as of January 27, 2021.

Future dividend declarations, if any, as well as the record and payment dates for such dividends, are subject to the final determination of the Company’s Board of Directors. Furthermore, the credit agreements governing the New Credit Facilities contain restrictions that may limit our ability to pay dividends.

Share Repurchase Program

On December 14, 2020, the Company’s Board of Directors authorized a repurchase program, effective February 16, 2021, covering the repurchase of up to an aggregate of $125.0 million of the Company’s common stock, during a period of twelve months, in open market transactions and in accordance with one or more pre-arranged stock trading plans to be established in accordance with Rule 10b5-1 under the Securities Exchange Act of 1934, as amended. This repurchase program replaced the existing repurchase program, which was originally approved in February 2020 and which will expire pursuant to its terms on February 15, 2021.

The Company repurchased $44.6 million, $74.8 million and $179.3 million of shares for the years ended December 31, 2020, 2019 and 2018, respectively.

The credit agreement governing the New Credit Facilities contains restrictions that may limit the Company’s ability to continue to repurchase shares.

2020 Stock Plan

In 2020, the Company’s Board of Directors and stockholders approved the Entegris, Inc. 2020 Stock Plan (the “2020 Stock Plan”). The 2020 Stock Plan replaced the Entegris, Inc. 2010 Stock Plan for future stock awards and stock option grants. The 2020 Stock Plan has a term of ten years and provides for the issuance of stock options and other share-based awards to selected employees, directors, and other individuals or entities that provide services to the Company or its affiliates. Under the 2020 Stock Plan, the Board of Directors or a committee selected by the Board of Directors will determine for each award, the term,

price, number of shares, rate at which each award is exercisable and whether restrictions are imposed on the shares subject to the awards. The exercise price for option awards generally may not be less than the fair market value per share of the underlying common stock on the date granted. The 2020 Stock Plan provides that after December 31, 2019, any shares subject to stock awards that were awarded from the Company’s expired plans and that are forfeited, expired or otherwise terminated without issuance of shares will again be available for issuance under the 2020 Stock Plan.

Stock Options

Stock option activity for the years ended December 31, 2020, 2019 and 2018 is summarized as follows:


	2020			2019			2018
(Shares in thousands)	Number of shares	Weighted average exercise price		Number of shares	Weighted average exercise price		Number of shares	Weighted average exercise price
Options outstanding, beginning of year	1,575	$	21.39	1,410	$	18.22	1,869	$	13.46
Granted	216	55.72		293	33.33		296	31.10
Exercised	(709)	13.60		(128)	13.89		(727)	10.89
Expired or forfeited	—	—		—	—		(28)	26.41
Options outstanding, end of year	1,082	$	33.38	1,575	$	21.39	1,410	$	18.22
Options exercisable, end of year	426	$	24.99	788	$	15.75	562	$	13.68

Options outstanding for the Company’s stock plans at December 31, 2020 are summarized as follows:


(Shares in thousands)	Options outstanding				Options exercisable
Range of exercise prices	Number outstanding	Weighted average remaining life in years	Weighted- average exercise price		Number exercisable	Weighted average exercise price
$12.20 to $13.49	71	2.0 years	$	12.37	71	$	12.37
$21.60 to $21.60	230	3.1 years	21.60		151	21.60
$31.10 to $31.10	273	4.1 years	31.10		133	31.10
$33.33 to $33.33	291	5.1 years	33.33		71	33.33
$55.72 to $55.72	217	6.1 years	55.72		—	—
	1,082	4.4 years	$	33.38	426	$	24.99

The weighted average remaining contractual term for options outstanding and options exercisable for all plans at December 31, 2020 was 4.4 years and 3.6 years, respectively.

For all plans, the Company had shares available for future grants of 9.0 million, 8.2 million, and 8.7 million shares at December 31, 2020, 2019 and 2018, respectively.

Under the stock plans, the total pre-tax intrinsic value of stock options exercised during the years ended December 31, 2020 and 2019 was $36.4 million and $3.2 million, respectively. The aggregate intrinsic value, which represents the total pre-tax intrinsic value based on the Company’s closing stock price of $96.10 at December 31, 2020, which theoretically could have been received by the option holders had all option holders exercised their options as of that date, was $67.9 million and $30.3 million for options outstanding and options exercisable, respectively.

Share-based payment awards in the form of stock option awards for 0.2 million, 0.3 million and 0.3 million shares were granted to employees during the years ended December 31, 2020, 2019 and 2018, respectively. Compensation expense is based on the grant date fair value. The awards vest annually over a four-year period and have a contractual term of 7 years. The Company estimates the fair value of stock options using the Black-Scholes valuation model. Key inputs and assumptions used to estimate the fair value of stock options include the grant price of the award, the expected option term, volatility of the Company’s stock, the risk-free rate and the Company’s dividend yield. Estimates of fair value are not intended to predict actual future events or the value ultimately realized by employees who receive equity awards, and subsequent events are not indicative of reasonableness of the original estimates of fair value made by the Company.

The fair value of each stock option grant was estimated at the date of grant using a Black-Scholes option pricing model. The following table presents the weighted-average assumptions used in the valuation and the resulting weighted-average fair value per option granted for the years ended December 31, 2020, 2019 and 2018:


Employee stock options:	2020			2019			2018
Volatility	31.9		%	31.6		%	28.7		%
Risk-free interest rate	1.4		%	2.5		%	2.4		%
Dividend yield	0.6		%	0.8		%	0.9		%
Expected life (years)	4.3			4.1			3.9
Weighted average fair value per option	$	14.83		$	8.89		$	7.35

A historical daily measurement of volatility is determined based on the expected life of the option granted. The risk-free interest rate is determined by reference to the yield on an outstanding U.S. Treasury note with a term equal to the expected life of the option granted. Expected life is determined by reference to the Company’s historical experience. The Company determines the dividend yield by dividing the expected annual dividend on the Company’s stock by the option exercise price.

Employee Stock Purchase Plan

The Company maintains the Entegris, Inc. Amended and Restated Employee Stock Purchase Plan (“ESPP”). The ESPP allows employees to elect, at six-month intervals, to contribute up to 10% of their compensation, subject to certain limitations, to purchase shares of the Company’s common stock at a discount of 15% from the fair market value on the first day or last day of each six-month period. The Company treats the ESPP as a compensatory plan. At December 31, 2020, 1.5 million shares remained available for issuance under the ESPP. Employees purchased 0.2 million, 0.2 million and 0.2 million shares, at a weighted-average price of $46.58, $28.67, and $24.86 during the years ended December 31, 2020, 2019 and 2018, respectively.

Restricted Stock Units

Restricted stock units are awards of common stock made under the Stock Plans that are subject to a risk of forfeiture if the awardee terminates employment with the Company prior to the lapse of the restrictions. The value of such restricted stock units is determined using the market price on the grant date. Compensation expense for restricted stock units is generally recognized using the straight-line single-option method. A summary of the Company’s restricted stock unit activity for the years ended December 31, 2020, 2019 and 2018 is presented in the following table:


	2020			2019			2018
(Shares in thousands)	Number of shares	Weighted average grant date fair value		Number of shares	Weighted average grant date fair value		Number of shares	Weighted average grant date fair value
Unvested, beginning of year	1,254	$	27.48	1,519	$	21.24	1,857	$	15.86
Granted	437	57.46		514	34.05		509	31.40
Vested	(564)	23.48		(679)	18.89		(732)	15.07
Forfeited	(44)	35.86		(100)	24.82		(115)	18.58
Unvested, end of year	1,083	41.31		1,254	27.48		1,519	21.24

The weighted average remaining contractual term for unvested restricted shares at December 31, 2020 and 2019 was 1.2 years and 1.1 years, respectively.

During the years ended December 31, 2020, 2019 and 2018, the Company awarded performance-based restricted stock units for up to 0.1 million, 0.1 million and 0.2 million shares of common stock, respectively, to be issued upon the achievement of performance conditions under the Company’s stock plans to certain officers and other key employees. Compensation expense is based on the grant date fair value. The awards vest on the third anniversary of the award date. The Company estimates the fair value of the performance shares using a Monte Carlo simulation process.

As of December 31, 2020, the total compensation cost related to unvested stock options, performance-based restricted stock units and restricted stock unit awards not yet recognized was $3.9 million, $3.4 million and $30.6 million, respectively, and is expected to be recognized over the next 2.5 years on a weighted-average basis.

Valuation and Expense Information

The Company recognizes compensation expense for all share-based payment awards made to employees and directors based on their estimated fair values on the date of grant. Compensation expense is recognized using the straight-line attribution method to recognize share-based compensation over the service period of the award, with adjustments recorded for forfeitures as they occur. The following table summarizes the allocation of share-based compensation expense related to employee stock options,

restricted stock awards, performance-based restricted stock awards and grants under the employee stock purchase plan for the years ended December 31, 2020, 2019 and 2018:


(In thousands)	2020		2019		2018
Cost of sales	$	1,463	$	1,180	$	1,009
Engineering, research and development expenses	2,359		1,901		1,689
Selling, general and administrative expenses	19,098		16,548		14,414
Share-based compensation expense	22,920		19,629		17,112
Tax benefit	4,129		3,626		3,421
Share-based compensation expense, net of tax	$	18,791	$	16,003	$	13,691

Benefit Plans

12 Months Ended

Dec. 31, 2020

Defined Benefit Plans and Other Postretirement Benefit Plans Disclosures [Abstract]

Benefit Plans

BENEFIT PLANS

401(k) Plan

The Company maintains the Entegris, Inc. 401(k) Savings and Profit Sharing Plan (the “401(k) Plan”) that qualifies as a deferred salary arrangement under Section 401(k) of the Internal Revenue Code. Under the Plan, eligible employees may defer a portion of their pre-tax wages, up to the Internal Revenue Service annual contribution limit. Entegris matches employees’ contributions to a maximum match of 4% of the employee’s eligible wages. The employer matching contribution expense under the 401(k)Plan was $8.2 million, $7.1 million and $6.1 million in the fiscal years ended December 31, 2020, 2019 and 2018, respectively.

Defined Benefit Plans

The employees of the Company’s subsidiaries in Japan, Taiwan and Germany are covered in defined benefit pension plans. The Company uses a December 31 measurement date for its pension plans.

The tables below set forth the Company’s estimated funded status as of December 31, 2020 and 2019:


(In thousands)	2020		2019
Change in benefit obligation:
Benefit obligation at beginning of year	$	6,946	$	7,308
Service cost	31		26
Interest cost	37		54
Actuarial (gain) loss	137		471
Benefits paid	(322)		(636)
Curtailment	—		(346)
Other	—		—
Foreign exchange impact	449		69
Benefit obligation at end of year	7,278		6,946
Change in plan assets:
Fair value of plan assets at beginning of year	910		835
Return on plan assets	31		35
Employer contributions	73		93
Benefits paid	(41)		(63)
Foreign exchange impact	69		10
Fair value of plan assets at end of year	1,042		910
Funded status:
Plan assets less than benefit obligation - Net amount recognized	$	(6,236)	$	(6,036)

Amounts recognized in the consolidated balance sheets consist of:


(In thousands)	2020		2019
Noncurrent liability	$	(6,236)	$	(6,036)
Accumulated other comprehensive loss, net of taxes	840		791

Amounts recognized in accumulated other comprehensive loss, (pre-tax):


(In thousands)	2020		2019
Net actuarial loss	$	713	$	598
Prior service cost	454		460
Gross amount recognized	$	1,167	$	1,058

Information for pension plans with a projected benefit obligation and an accumulated benefit obligation in excess of plan assets:


(In thousands)	2020		2019
Projected benefit obligation	$	7,278	$	6,946
Accumulated benefit obligation	6,480		6,030
Fair value of plan assets	1,042		910

The components of the net periodic benefit cost for the years ended December 31, 2020, 2019 and 2018 were as follows:


(In thousands)	2020		2019		2018
Pension benefits:
Service cost	$	31	$	26	$	50
Interest cost	37		54		62
Expected return on plan assets	(15)		(16)		(18)
Curtailments	—		95		—
Settlements	21		—		—
Amortization of prior service cost	36		67		69
Amortization of plan loss	38		17		20
Net periodic pension benefit cost	$	148	$	243	$	183

Assumptions used in determining the benefit obligation and net periodic benefit cost for the Company’s pension plans for the years ended December 31, 2020, 2019 and 2018 are presented in the following table as weighted-averages:


	2020		2019		2018
Benefit obligations:
Discount rate	0.39	%	0.53	%	0.76	%
Rate of compensation increase	2.33	%	2.91	%	3.08	%
Net periodic benefit cost:
Discount rate	0.98	%	1.29	%	1.66	%
Rate of compensation increase	2.33	%	3.51	%	3.18	%
Expected return on plan assets	1.82	%	1.51	%	1.89	%

The pension plans’ expected return on assets as shown above is based on management’s expectations of long-term average rates of return to be achieved by the underlying investment portfolios. In establishing this assumption, management considers historical and expected returns for the asset classes in which the plans are invested, as well as current economic and capital market conditions. The discount rate primarily used by the Company is based on market yields at the valuation date on government bonds as well as the estimated maturity of benefit payments.

Plan Assets

At December 31, 2020, the majority of the Company’s pension plan assets are deposited with the Bank of Taiwan in the form of money market funds, where the Bank of Taiwan is the assigned funding vehicle for the statutory retirement benefit. The remaining portion of the Company’s plan assets is deposited in a German insurance company’s investment fund.

The fair value measurements of the Company’s pension plan assets at December 31, 2020, by asset category are as follows:


(In thousands)			Quoted prices in active markets for identical assets		Significant observable inputs	Significant unobservable inputs
Asset category	Total		(Level 1)		(Level 2)	(Level 3)
Taiwan plan assets (a)	$	827	$	827	—	—
Germany plan assets (b)	215		215		—	—
	$	1,042	$	1,042	—	—

(a)This category includes investments in the government of Taiwan’s pension fund. The government of Taiwan is responsible for the strategy and allocation of the investment contributions.

(b)This category includes investments in an insurer’s balanced asset fund. The insurer is responsible for the strategy and allocation of the investment contributions. The Company selects a pre-packaged portfolio pooled investment fund that is conservative. The majority of the funds are invested broadly in German mortgage bonds, construction loans and government bonds with good credit ratings.

The fair value measurements of the Company’s pension plan assets at December 31, 2019, by asset category are as follows:


(In thousands)			Quoted prices in active markets for identical assets		Significant observable inputs	Significant unobservable inputs
Asset category	Total		(Level 1)		(Level 2)	(Level 3)
Taiwan plan assets (a)	$	729	$	729	—	—
Germany plan assets (b)	181		181		—	—
	$	910	$	910	—	—

(a)This category includes investments in the government of Taiwan’s pension fund. The government of Taiwan is responsible for the strategy and allocation of the investment contributions.

Cash Flows

The Company expects to make the following contributions and benefit payments:


(In thousands)	Contributions		Payments
2021	$	74	$	41
2022	—		121
2023	—		214
2024	—		356
2025	—		350
Years 2026-2030	—		1,832

Earning Per Share (EPS)

12 Months Ended

Dec. 31, 2020

Earnings Per Share [Abstract]

Earning Per Share (EPS)

EARNINGS PER SHARE (EPS)

Basic EPS is computed by dividing net income by the weighted average number of shares of common stock outstanding during each period. The following table presents a reconciliation of the share amounts used in the computation of basic and diluted earnings per share:


(In thousands)	2020	2019	2018
Basic earnings per share—Weighted common shares outstanding	134,837	135,137	141,026
Weighted common shares assumed upon exercise of options and vesting of restricted stock units	1,429	1,431	1,584
Diluted earnings per share—Weighted common shares outstanding	136,266	136,568	142,610

The Company excluded the following shares underlying stock-based awards from the calculations of diluted EPS because their inclusion would have been anti-dilutive for the years ended December 31, 2020, 2019 and 2018:


(In thousands)	2020	2019	2018
Shares excluded from calculations of diluted EPS	195	273	267

Segment Information

12 Months Ended

Dec. 31, 2020

Segment Reporting [Abstract]

Segment Information

SEGMENT INFORMATIONThe Company’s financial segment reporting reflects an organizational alignment intended to leverage the Company’s unique breadth of capabilities to create mission-critical microcontamination control products, specialty chemicals and advanced

materials handing solutions that maximize manufacturing yields, reduce manufacturing costs and enable higher device performance for its customers. While these segments have separate products and technical know-how, they share a common business systems and processes, technology centers, and strategic and technology roadmaps. The Company’s business is reported in the following three segments:

•Specialty Chemicals and Engineered Materials: SCEM provides high-performance and high-purity process chemistries, gases and materials and safe and efficient delivery systems to support semiconductor and other advanced manufacturing processes.

•Microcontamination Control: MC offers solutions to filter and purify critical liquid chemistries and gases used in semiconductor manufacturing processes and other high-technology industries.

•Advanced Materials Handling: AMH develops solutions to monitor, protect, transport, and deliver critical liquid chemistries and substrates for a broad set of applications in the semiconductor industry and other high-technology industries.

Segment profit is defined as net sales less direct and indirect segment operating expenses, including certain general and administrative costs for the Company’s human resources, finance and information technology functions. The Company accounts for inter-segment sales and transfers as if the sales or transfers were to third parties, that is, at approximate market prices. Inter-segment sales are presented as an elimination below. The remaining unallocated expenses consist mainly of the Company’s corporate functions as well as interest expense, amortization of intangible assets and income tax expense.

Corporate assets consist primarily of cash and cash equivalents, deferred tax assets and deferred tax charges.

Summarized financial information for the Company’s reportable segments is shown in the following tables.


(In thousands)	2020		2019		2018
Net sales:
SCEM	$	609,532	$	526,519	$	530,241
MC	742,186		633,664		553,838
AMH	538,682		458,290		493,404
Inter-segment elimination	(31,087)		(27,407)		(26,986)
Total net sales	$	1,859,313	$	1,591,066	$	1,550,497

(In thousands)	2020		2019		2018
Segment profit:
SCEM	$	127,969	$	98,327	$	127,080
MC	248,910		194,398		166,852
AMH	111,028		75,173		92,327
Total segment profit	$	487,907	$	367,898	$	386,259
(In thousands)	2020		2019		2018
Total assets:
SCEM	$	1,022,357	$	936,609	$	757,381
MC	819,602		786,131		680,080
AMH	437,322		372,849		359,991
Corporate	638,415		420,497		520,189
Total assets	$	2,917,696	$	2,516,086	$	2,317,641


(In thousands)	2020		2019		2018
Depreciation and amortization:
SCEM	$	71,417	$	75,391	$	70,329
MC	39,775		41,917		33,590
AMH	25,231		23,911		22,805
Corporate	99		184		544
Total depreciation and amortization	$	136,522	$	141,403	$	127,268

(In thousands)	2020		2019		2018
Capital expenditures:
SCEM	$	54,989	$	57,585	$	44,337
MC	40,656		28,549		38,331
AMH	36,107		25,212		26,545
Corporate	—		1,009		940
Total capital expenditures	$	131,752	$	112,355	$	110,153

The following table reconciles total segment profit to income before income taxes and equity in net loss of affiliate:


(In thousands)	2020		2019		2018
Total segment profit	$	487,907	$	367,898	$	386,259
Less:
Amortization of intangibles	53,092		66,428		62,152
Unallocated general and administrative expenses	39,370		62,192		31,418
Operating income	395,445		239,278		292,689
Interest expense	48,600		46,962		34,094
Interest income	(786)		(4,652)		(3,839)
Other (income) expense, net	(6,656)		(121,081)		8,002
Income before income tax expense	$	354,287	$	318,049	$	254,432

In the following tables, revenue is disaggregated by country or region based on the ship to location of the customer for the years ended December 31, 2020, 2019 and 2018:


	2020
(In thousands)	SCEM		MC		AMH		Inter-segment		Total
North America	$	189,009	$	144,015	$	164,576	$	(31,087)	$	466,513
Taiwan	106,665		171,201		94,339		—		372,205
South Korea	88,580		91,997		92,623		—		273,200
Japan	73,366		124,321		45,209		—		242,896
China	77,817		108,588		61,458		—		247,863
Europe	35,027		67,090		52,321		—		154,438
Southeast Asia	39,068		34,974		28,156		—		102,198
	$	609,532	$	742,186	$	538,682	$	(31,087)	$	1,859,313


	2019
(In thousands)	SCEM		MC		AMH		Inter-segment		Total
North America	$	149,570	$	113,551	$	145,150	$	(27,407)	$	380,864
Taiwan	94,561		144,404		70,864		—		309,829
South Korea	76,447		98,568		69,352		—		244,367
Japan	57,456		104,202		43,832		—		205,490
China	67,877		98,693		48,170		—		214,740
Europe	33,147		45,454		53,622		—		132,223
Southeast Asia	47,461		28,792		27,300		—		103,553
	$	526,519	$	633,664	$	458,290	$	(27,407)	$	1,591,066


(In thousands)	2018
	SCEM		MC		AMH		Inter-segment		Total
North America	$	133,834	$	95,421	$	144,763	$	(26,986)	$	347,032
Taiwan	104,707		118,208		66,948		—		289,863
South Korea	82,890		74,623		84,883		—		242,396
Japan	52,731		110,997		47,027		—		210,755
China	68,365		84,652		51,368		—		204,385
Europe	32,088		40,635		65,352		—		138,075
Southeast Asia	55,626		29,302		33,063		—		117,991
	$	530,241	$	553,838	$	493,404	$	(26,986)	$	1,550,497

The following table summarizes property, plant and equipment, net, attributed to significant countries for the years ended December 31, 2020, 2019 and 2018:


(In thousands)	2020		2019		2018
Property, plant and equipment:
North America	$	348,363	$	329,323	$	289,049
South Korea	55,404		43,540		41,698
Japan	41,044		37,851		34,276
Malaysia	32,727		34,339		31,138
China	29,528		16,473		3,941
Taiwan	17,050		16,264		18,804
Other	1,251		1,754		623
	$	525,367	$	479,544	$	419,529

The Company reported net sales of 10 percent or more of total net sales for Taiwan Semiconductor Manufacturing Company Limited in the amount of $208.3 million, $187.0 million and $153.9 million for the years ended December 31, 2020, 2019 and 2018, respectively, all of which include sales from all the Company’s segments. In addition, the Company reported net sales of 10 percent or more of total net sales for Samsung Electronics Co. in the amount of $164.3 million for the year ended December 31, 2018, which includes sales from all of the Company’s segments.

- Definition

The entire disclosure for reporting segments including data and tables. Reportable segments include those that meet any of the following quantitative thresholds a) it's reported revenue, including sales to external customers and intersegment sales or transfers is 10 percent or more of the combined revenue, internal and external, of all operating segments b) the absolute amount of its reported profit or loss is 10 percent or more of the greater, in absolute amount of 1) the combined reported profit of all operating segments that did not report a loss or 2) the combined reported loss of all operating segments that did report a loss c) its assets are 10 percent or more of the combined assets of all operating segments.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
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+ Details

Commitments and Contingent Liabilities	12 Months Ended
Commitments and Contingent Liabilities	Dec. 31, 2020
Commitments and Contingencies Disclosure [Abstract]
Commitments and Contingent Liabilities	COMMITMENTS AND CONTINGENT LIABILITIESThe Company is subject to various claims, legal actions, and complaints arising in the ordinary course of business. The Company believes the final outcome of these matters will not have a material adverse effect on its consolidated financial statements. The Company expenses legal costs as incurred.

Quarterly Information-Unaudited

12 Months Ended

Dec. 31, 2020

Selected Quarterly Financial Information [Abstract]

Quarterly Information-Unaudited

QUARTERLY INFORMATION-UNAUDITED


	Fiscal quarter ended
(In thousands, except per share data)	March 28, 2020		June 27, 2020		September 26, 2020		December 31, 2020
Net sales	$	412,327	$	448,405	$	480,987	$	517,594
Gross profit	185,478		207,372		226,000		230,872
Net income	61,006		68,036		79,303		86,624
Basic net income per common share	0.45		0.51		0.59		0.64
Diluted net income per common share	0.45		0.50		0.58		0.63


	Fiscal quarter ended
(In thousands, except per share data)	March 30, 2019		June 29, 2019		September 28, 2019		December 31, 2019
Net sales	$	391,047	$	378,874	$	394,147	$	426,998
Gross profit	177,393		166,274		170,350		197,636
Net income	32,658		123,997		40,767		57,438
Basic net income per common share	0.24		0.92		0.30		0.43
Diluted net income per common share	0.24		0.91		0.30		0.42

Summary of Significant Accounting Policies (Policies)	12 Months Ended
Summary of Significant Accounting Policies (Policies)	Dec. 31, 2020
Accounting Policies [Abstract]
Nature of Operations	Nature of Operations Entegris, Inc. (Entegris or the Company) is a leading supplier of advanced materials and process solutions for the semiconductor and other high-technology industries.
Principles of Consolidation	Principles of Consolidation The consolidated financial statements include the accounts of the Company and its majority-owned subsidiaries. Intercompany profits, transactions and balances have been eliminated in consolidation.
Use of Estimates	Use of Estimates and Basis of Presentation The preparation of consolidated financial statements in conformity with accounting principles generally accepted in the United States requires management to make judgments, estimates and assumptions that affect the amounts reported in the consolidated financial statements and accompanying notes. On an ongoing basis, Entegris evaluates its estimates, including those related to receivables, inventories, property, plant and equipment, goodwill, intangible assets, accrued liabilities, income taxes and share-based compensation, among others. Actual results could differ from those estimates.
Cash and Cash Equivalents	Cash and Cash Equivalents Cash and cash equivalents include cash on hand and highly liquid debt securities with original maturities of three months or less, which are valued at cost and approximate fair value.
Allowance For Doubtful Accounts	Allowance for Doubtful Accounts An allowance for uncollectible trade receivables is estimated based on a combination of write-off history, aging analysis and any specific, known troubled accounts. The Company maintains an allowance for doubtful accounts that management believes is adequate to cover expected losses on trade receivables.
Inventories	Inventories Inventories are stated at the lower of cost and net realizable value. Cost is determined by the first-in, first-out (FIFO) method.
Leases	Leases The Company determines if an arrangement is a lease at inception. Right-of-use (ROU) assets include operating leases. Lease liabilities for operating leases are classified in “Other accrued liabilities” and “Long-term lease liabilities” in our consolidated balance sheet. We do not have material financing leases. Operating assets and liabilities are recognized at commencement date based on the present value of the lease payments over the lease term. As most of our leases do not provide an implicit rate, we use our incremental borrowing rate based on the information available at commencement date in determining the present value of lease payments. We use the implicit rate when readily determinable. The ROU assets includes prepaid lease payments and excludes lease incentives. Lease terms may include options to extend or terminate the lease when it is reasonably certain that the Company will exercise that option. Lease expense for lease payments is recognized on a straight-line basis over the lease term. Lease and non-lease components are generally accounted for separately for real estate leases. For non-real estate leases, we account for the lease and non-lease components as a single lease component.
Property, Plant, And Equipment	Property, Plant and Equipment Property, plant and equipment are carried at cost and are depreciated on the straight-line method over the estimated useful lives of the assets. When assets are retired or disposed of, the cost and related accumulated depreciation are removed from the accounts, and gains or losses are recognized in the same period. Maintenance and repairs are expensed as incurred, while significant additions and improvements are capitalized. Long-lived assets, including property, plant and equipment, are reviewed for impairment whenever events or changes in circumstances indicate that the carrying amount of an asset or group of assets may not be recoverable based on estimated future undiscounted cash flows. The amount of impairment, if any, is measured as the difference between the net book value and the estimated fair value of the asset(s).
Fair Value of Financial Instruments	Fair Value of Financial Instruments The carrying value of cash equivalents, accounts receivable, accounts payable, accrued payroll and related benefits, and other accrued liabilities approximates fair value due to the short maturity of those instruments. The fair value of long-term debt, including current maturities, based upon models utilizing market observable (Level 2) inputs and credit risk, was $1,126.6 million at December 31, 2020 compared to the carrying amount of long-term debt, including current maturities, of $1,085.8 million at December 31, 2020.
Goodwill and Intangible Assets	Goodwill and Intangible Assets Goodwill represents the excess of acquisition costs over the fair value of the net assets of businesses acquired. Goodwill is not subject to amortization, but is tested for impairment annually at August 31, the Company’s annual testing date, and whenever events or changes in circumstances indicate that impairment may have occurred. The Company compares the carrying value of its reporting units, including goodwill, to their fair value. For reporting units in which the assessment indicates that it is more likely than not that the fair value is more than its carrying value, goodwill is not considered impaired. If the carrying value of the reporting unit exceeds fair value, goodwill is considered impaired. Based on its annual analysis, the Company determined there was no indication of impairment of goodwill and the estimated fair value of each reporting unit substantially exceeded its carrying value. Amortizable intangible assets include, among other items, patented, unpatented and other developed technology and customer-based intangibles, and are amortized using the straight-line method over their respective estimated useful lives. The Company reviews intangible assets and other long-lived assets for impairment if changes in circumstances or the occurrence of events suggest the remaining value may not be recoverable.
Derivative Financial Instruments	Derivative Financial Instruments The Company records derivatives as assets or liabilities on the balance sheet and measures such instruments at fair value. Changes in fair value of derivatives are recorded each period in the Company’s consolidated statements of operations.The Company periodically enters into forward foreign currency contracts to reduce exposures relating to rate changes in certain foreign currencies. Certain exposures to credit losses related to counterparty nonperformance exist. However, the Company does not anticipate nonperformance by the counterparties since they are large, well-established financial institutions. None of these derivatives is accounted for as a hedge transaction. Accordingly, changes in the fair value of forward foreign currency contracts are recorded as other expense (income), net, in the Company’s consolidated statements of operations. The fair values of the Company’s derivative financial instruments are based on prices quoted by financial institutions for these instruments.
Foreign Currency Translation	Foreign Currency Translation Assets and liabilities of certain foreign subsidiaries are translated from foreign currencies into U.S. dollars at period-end exchange rates, and the resulting gains and losses arising from translation of net assets located outside the U.S. are recorded as a cumulative translation adjustment, a component of accumulated other comprehensive loss in the consolidated balance sheets. Income statement amounts are translated at the weighted average exchange rates for the year. Translation adjustments are not adjusted for income taxes, as substantially all translation adjustments relate to permanent investments in non-U.S. subsidiaries. Gains and losses resulting from foreign currency transactions are included in other expense (income), net, in the Company’s consolidated statements of operations.
Revenue Recognition	Revenue Recognition Revenue is measured based on consideration specified in a contract with a customer, and excludes any sales incentives and amounts collected on behalf of third parties. The Company recognizes revenue when it satisfies a performance obligation by transferring control over a product or service to a customer. Taxes assessed by a governmental authority that are both imposed on and concurrent with a specific revenue-producing transaction, that are collected by the Company from a customer, are excluded from revenue. Shipping and handling costs incurred are recorded in cost of sales in the Company’s consolidated statements of operations.
Engineering,Research and Development Expenses	Engineering, Research and Development Expenses Engineering, research and development expenses are expensed as incurred.
Share-Based Compensation	Share-based Compensation The Company measures the cost of employee services received in exchange for the award of equity instruments based on the fair value of the award at the date of grant. Share-based compensation expense is recognized using the straight-line attribution method to recognize share-based compensation over the service period of the award, with adjustments recorded for forfeitures as they occur.
Income Taxes	Income Taxes The Company accounts for income taxes under the asset and liability method, which requires the recognition of deferred tax assets and liabilities for the expected future tax consequences of events that have been included in the financial statements. Under this method, deferred tax assets and liabilities are determined on the basis of the differences between the financial statements and tax basis of assets and liabilities using enacted tax rates in effect for the year in which the differences are expected to reverse. The effect of a change in tax rates on deferred tax assets and liabilities is recognized in income tax expense in the period that includes the enactment date. The Company recognizes deferred tax assets to the extent that it believes these assets are more likely than not to be realized. A valuation allowance is recorded to reduce deferred tax assets when it is more likely than not that the Company would not be able to realize all or part of its deferred tax assets. In making such a determination, the Company considers all available positive and negative evidence, including future reversals of existing temporary differences, projected future taxable income, tax-planning strategies, and results of recent operations. If the Company determines that it would be able to realize its deferred tax assets in the future in excess of their net recorded amount, the Company would make an adjustment to the deferred tax asset valuation allowance, which would reduce the provision for income taxes. The Company’s policy for recording interest and penalties associated with audits and unrecognized tax benefits is to record such items as a component of income before taxes. Penalties and interest to be paid or received are recorded in other expense (income), net, in the statement of operations.
Comprehensive Income (Loss)	Comprehensive Income (Loss) Comprehensive income (loss) represents the change in equity resulting from items other than shareholder investments and distributions. The Company’s foreign currency translation adjustments, unrealized gains and losses on available-for-sale investments, and minimum pension liability adjustments are included in accumulated other comprehensive loss. Comprehensive income (loss) and the components of accumulated other comprehensive loss are presented in the accompanying consolidated statements of comprehensive income (loss) and consolidated statements of equity.
Recent Accounting Pronouncements	Recent Accounting Pronouncements Adopted in 2020 In June 2016, the Financial Accounting Standards Board (“FASB”) issued Accounting Standards Update (“ASU”) 2016-13, Financial Instruments - Credit Losses (Topic 326): Measurement of Credit Losses on Financial Instruments. ASU 2016-13 changes the impairment model for most financial assets and certain other instruments. For trade and other receivables, held-to-maturity debt securities, loans and other instruments, entities are required to use a new forward-looking “expected loss” model that replaced the current “incurred loss” model and generally will result in the earlier recognition of allowances for losses. The Company adopted this new guidance in the first quarter of fiscal 2020. The adoption of ASU 2016-13 did not impact the consolidated financial statements. In August 2018, the FASB issued ASU 2018-14, Compensation - Retirement Benefits - Defined Benefit Plans - General (Topic 715-20): Disclosure Framework - Changes to the Disclosure Requirements for Defined Benefit Plans. ASU 2018-14 amends ASC 715 to add, remove and clarify disclosure requirements related to defined benefit pension and other postretirement plans. The Company adopted this guidance in 2020. The adoption of ASU 2018-14 did not impact the consolidated financial statements. Recent Accounting Pronouncements Yet to be Adopted The Company currently has no material recent accounting pronouncements yet to be adopted.

Revenues (Tables)

12 Months Ended

Dec. 31, 2020

Revenue from Contract with Customer [Abstract]

Contract with Customer, Asset and Liability


(In thousands)	December 31, 2020		December 31, 2019
Contract liabilities - current	$	13,852	$	13,022

Significant changes for contract balances

Significant changes in the contract liabilities balances during the period are as follows:


(In thousands)	2020
Revenue recognized that was included in the contract liability balance at the beginning of the period	$	(11,018)
Increases due to cash received, excluding amounts recognized as revenue during the period	11,848

Acquisition (Tables)

12 Months Ended

Dec. 31, 2020

GMTI Acquisition

Business Acquisition

Schedule of Business Acquisitions, by Acquisition


(In thousands):	July 10, 2020
Trade accounts and note receivable, net	$	937
Inventories, net	1,079
Identifiable intangible assets	18,180
Right-of-use assets	337
Accounts payable and accrued liabilities	(28)
Short-term lease liability	(150)
Long-term lease liability	(187)
Net assets acquired	20,168
Goodwill	16,099
Total purchase price, net of cash acquired	$	36,267

Finite-Lived and Indefinite-Lived Intangible Assets Acquired as Part of Business Combination [Table Text Block]

The Company recognized the following finite-lived intangible assets as part of the acquisition of GMTI:


(In thousands)	Amount		Weighted average life in years
Developed technology	$	3,570	6.5
Trademarks and trade names	1,010		11.5
Customer relationships	13,600		15.5
	$	18,180	13.5

Sinmat Acquisition

Business Acquisition

Schedule of Business Acquisitions, by Acquisition


(In thousands):	As of January 10, 2020		As of June 27, 2020
Trade accounts and note receivable, net	$	1,189	$	1,189
Inventories, net	1,010		1,010
Other current assets	8		8
Property, plant and equipment	63		63
Identifiable intangible assets	41,680		41,680
Right-of-use assets	1,712		1,712
Deferred tax asset	—		102
Accounts payable and accrued liabilities	(58)		(58)
Short-term lease liability	(150)		(150)
Long-term lease liability	(1,562)		(1,562)
Net assets acquired	43,892		43,994
Goodwill	31,751		31,651
Total purchase price, net of cash acquired	$	75,643	$	75,645

Finite-Lived and Indefinite-Lived Intangible Assets Acquired as Part of Business Combination [Table Text Block]

The Company recognized the following finite-lived intangible assets as part of the acquisition of Sinmat:


(In thousands)	Amount		Weighted average life in years
Developed technology	$	7,650	7.0
Trademarks and trade names	130		1.3
Customer relationships	33,900		15.0
	$	41,680	13.5

Anow Acquisition

Business Acquisition

Schedule of Business Acquisitions, by Acquisition


(In thousands):	As of September 17, 2019		As of September 26, 2020
Trade accounts and note receivable, net	$	3,455	$	3,455
Inventories, net	4,242		4,459
Other current assets	202		739
Property, plant and equipment	8,863		8,257
Identifiable intangible assets	42,179		16,439
Right-of-use assets	—		2,328

Other noncurrent assets	1,565		74
Accounts payable and accrued liabilities	(1,814)		(5,217)
Short-term lease liability	—		(88)
Long-term lease liability	—		(107)
Deferred tax liabilities	(10,890)		(3,751)
Other noncurrent liabilities	—		(3,270)
Net assets acquired	47,802		23,318
Goodwill	25,212		49,480
Total purchase price, net of cash acquired	$	73,014	$	72,798

Finite-Lived and Indefinite-Lived Intangible Assets Acquired as Part of Business Combination [Table Text Block]

The Company recognized the following finite-lived intangible assets as part of the acquisition of Anow:


(In thousands)	Amount		Weighted average life in years
Developed technology	$	6,764	6.8
Trademarks and trade names	2,019		7.3
Customer relationships	7,656		14.3

	$	16,439	10.3

MPD Acquisition

Business Acquisition

Schedule of Business Acquisitions, by Acquisition


(In thousands):	As of July 15, 2019		As of June 27, 2020
Trade accounts and note receivable, net	$	3,575	$	3,575
Inventories, net	21,899		8,689

Other current assets	318		313
Property, plant and equipment	14,571		11,465
Identifiable intangible assets	74,900		79,390
Right-of-use assets	3,677		3,621


Accounts payable and accrued liabilities	(2,440)		(1,874)
Short-term lease liabilities	(144)		(88)
Long-term lease liabilities	(4,016)		(4,016)
Other noncurrent liabilities	(1,416)		(1,416)
Net assets acquired	110,924		99,659
Goodwill	51,457		63,246
Total purchase price, net of cash acquired	$	162,381	$	162,905

Finite-Lived and Indefinite-Lived Intangible Assets Acquired as Part of Business Combination [Table Text Block]

The Company recognized the following finite-lived intangible assets as part of the acquisition of MPD:


(In thousands)	Amount		Weighted average life in years
Developed technology	$	12,750	11.0
Trademarks and trade names	620		2.0
Customer relationships	66,020		17.0
	$	79,390	16.0

Trade Accounts and Notes Receivable (Tables)

12 Months Ended

Dec. 31, 2020

Accounts, Notes, Loans and Financing Receivable, Gross, Allowance, and Net [Abstract]

Trade Accounts and Notes Receivable

Trade accounts and notes receivable from customers at December 31, 2020 and 2019 consist of the following:


(In thousands)	2020		2019
Accounts receivable	$	264,771	$	233,274
Notes receivable	2,005		2,280
Total trade accounts and notes receivable	266,776		235,554
Less allowance for doubtful accounts	2,384		1,145
Trade accounts and notes receivable, net	$	264,392	$	234,409

Inventories (Tables)

12 Months Ended

Dec. 31, 2020

Inventory Disclosure [Abstract]

Inventories

Inventories at December 31, 2020 and 2019 consist of the following:


(In thousands)	2020		2019
Raw materials	$	97,319	$	92,849
Work-in-process	32,316		30,856
Finished goods (a)	194,309		163,393
Inventories, net	$	323,944	$	287,098

(a) Includes consignment inventories held by customers of $13.0 million and $13.6 million at December 31, 2020 and 2019, respectively.

Property, Plant and Equipment (Tables)

12 Months Ended

Dec. 31, 2020

Property, Plant and Equipment [Abstract]

Property, Plant and Equipment

Property, plant and equipment at December 31, 2020 and 2019 consists of the following:


(In thousands)	2020		2019		Estimated useful lives in years
Land	$	23,901	$	27,184
Buildings and improvements	238,586		220,563		5-35
Manufacturing equipment	365,511		350,664		5-10
Canisters and cylinders	120,113		107,108		3-12
Molds	76,283		75,482		3-5
Office furniture and equipment	165,950		157,770		3-8
Construction in progress	109,280		63,197
Total property, plant and equipment	1,099,624		1,001,968
Less accumulated depreciation	574,257		522,424
Property, plant and equipment, net	$	525,367	$	479,544

Depreciation Expense

The table below sets forth the depreciation expense for the years ended December 31, 2020, 2019 and 2018:


(In thousands)	2020		2019		2018
Depreciation expense	$	83,430	$	74,975	$	65,116

Goodwill and Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2020

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Goodwill


(In thousands)	SCEM		MC		AMH		Total
December 31, 2018	$	301,423	$	191,708	$	57,071	$	550,202
Addition due to acquisitions	98,410		47,711		—		146,121
Purchase accounting adjustments	—		451		—		451
Foreign currency translation	(1,881)		151		—		(1,730)
December 31, 2019	397,952		240,021		57,071		695,044
Addition due to acquisitions	31,751		—		16,099		47,850
Purchase accounting adjustments	1,276		1,769		—		3,045
Foreign currency translation	(3,266)		5,364		—		2,098
December 31, 2020	$	427,713	$	247,154	$	73,170	$	748,037

Schedule of Acquired Finite-Lived Intangible Assets by Major Class

Identifiable intangible assets at December 31, 2020 and 2019 consist of the following:


2020
(In thousands)	Gross carrying amount		Accumulated amortization		Net carrying value		Weighted average life in years
Developed technology	$	283,272	$	221,651	$	61,621	7.1
Trademarks and trade names	30,100		18,374		11,726		10.1
Customer relationships	449,659		193,313		256,346		12.2
Other	20,396		12,457		7,939		6.6
	$	783,427	$	445,795	$	337,632	10.1


2019
(In thousands)	Gross carrying amount		Accumulated amortization		Net carrying value		Weighted average life in years
Developed technology	$	272,334	$	204,689	$	67,645	7.1
Trademarks and trade names	29,106		16,326		12,780		10.1
Customer relationships	405,537		161,551		243,986		11.8
Other	36,303		26,762		9,541		4.1
	$	743,280	$	409,328	$	333,952	9.7

Amortization of Intangibles

The table below sets forth the amortization expense for the years ended December 31, 2020, 2019, and 2018:


(In thousands)	2020		2019		2018
Amortization expense	$	53,092	$	66,428	$	62,152

Estimated Future Amortization Expense


(In thousands)	2021		2022	2023	2024	2025	Thereafter	Total
Future amortization expense	$	48,535	47,724	47,035	33,933	31,335	129,070	$	337,632

Debt (Tables)

12 Months Ended

Dec. 31, 2020

Debt Disclosure [Abstract]

Schedule of Debt

Long-term debt at December 31, 2020 and 2019 consists of the following:


(In thousands)	2020		2019

Senior unsecured notes due 2028	$	400,000	$	—
Senior secured term loan facility due 2025	145,000		396,000
Senior unsecured notes due 2026	550,000		550,000
	1,095,000		946,000
Unamortized discount and debt issuance costs	9,217		9,516
Total long-term debt	1,085,783		936,484
Less current maturities of long-term debt	—		4,000
Long-term debt less current maturities	$	1,085,783	$	932,484

Schedule of Maturities of Long-term Debt

Annual maturities of long-term debt, excluding unamortized discount and issuance costs, due as of December 31, 2020 are as follows:


(In thousands)	2021		2022	2023	2024	2025	Thereafter	Total
Contractual debt obligation maturities*	$	—	—	—	—	145,000	950,000	$	1,095,000

Debt Instrument Redemption


Year	Percentage
2023	102.188	%
2024	101.094	%
2025 and thereafter	100.000	%

Other Income (Expense), Net (Tables)

12 Months Ended

Dec. 31, 2020

Other Income and Expenses [Abstract]

Schedule of Other Nonoperating Income (Expense) [Table Text Block]

The table below sets forth the Other (income) expense, net for the years ended December 31, 2020, 2019 and 2018:


(In thousands)	2020		2019		2018
Versum termination fee, net	$	—	$	(122,000)	$	—
(Gain) loss on foreign currency remeasurement	(9,751)		(237)		4,391
Loss on extinguishment of debt	2,378		—		2,429
Other, net	717		1,156		1,182
Other (income) expense, net	$	(6,656)	$	(121,081)	$	8,002

Lease Commitments (Tables)

12 Months Ended

Dec. 31, 2020

Leases [Abstract]

Lessee, Operating Lease, Disclosure


(In thousands)	Classification	2020			2019
Assets
Right-of-use assets	Right-of-use assets	$	45,924		$	50,160
Liabilities
Short-term lease liability	Other accrued liabilities	9,960			10,025
Long-term lease liability	Long-term lease liability	39,730			43,827
Total lease liabilities		$	49,690		$	53,852
Lease Term and Discount Rate
Weighted average remaining lease term (years)		7.9			8.4
Weighted average discount rate		5.0		%	4.9		%

Lease, Cost

Expense for leases less than 12 months for the year ended December 31, 2020 and 2019 were not material. The components of lease expense for the year ended December 31, 2020 and 2019 are as follows:


(In thousands)	2020		2019
Operating lease cost	$	13,576	$	12,538

Lease Operating Lease, Cash Flow Information


(In thousands)	2020		2019
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash flows from leases	$	10,806	$	11,137
Right-of-use assets obtained in exchange for lease obligations:
Operating leases	$	5,133	$	9,077

Lessee, Operating Lease, Liability, Maturity

Future minimum lease payments for noncancellable operating leases as of December 31, 2020 and 2019, were as follows:


(In thousands)	2020		2019
2021	$	12,365	$	12,407
2022	8,571		10,221
2023	6,851		6,909
2024	5,752		6,055
2025	4,876		5,052
Thereafter	23,742		26,904
Total	$	62,157	$	67,548
Less: Interest	12,467		13,696
Present value of lease liabilities	$	49,690	$	53,852

Asset Retirement Obligations (Tables)

12 Months Ended

Dec. 31, 2020

Asset Retirement Obligation [Abstract]

Schedule of Asset Retirement Obligations

Changes in the carrying amounts of the Company’s AROs for the years ended December 31, 2020 and 2019 are shown below:


(In thousands)	2020		2019
Balance at beginning of year	$	13,940	$	12,543
Liabilities assumed in acquisitions	—		1,416
Liabilities settled	—		(102)
Liabilities incurred	218		546
Accretion expense	216		75
Revision of estimate	126		(538)
Balance at end of year	$	14,500	$	13,940

Income Taxes (Tables)

12 Months Ended

Dec. 31, 2020

Income Tax Disclosure [Abstract]

Income (Loss) Before Income Taxes

Income before income taxes for the years ended December 31, 2020, 2019 and 2018 was derived from the following sources:


(In thousands)	2020		2019		2018
Domestic	$	86,572	$	145,215	$	61,545
Foreign	267,715		172,834		192,887
Income before income tax expense	$	354,287	$	318,049	$	254,432

Components of Income Tax Expense

Income tax expense for the years ended December 31, 2020, 2019 and 2018 is summarized as follows:


(In thousands)	2020		2019		2018
Current:
Federal	$	8,107	$	35,497	$	(14,775)
State	1,151		2,625		1,605
Foreign	57,310		39,075		38,723
	66,568		77,197		25,553
Deferred (net of valuation allowance):
Federal	(592)		(10,966)		(13,399)
State	(407)		(1,018)		(370)
Foreign	(6,251)		(2,024)		1,893
	(7,250)		(14,008)		(11,876)
Income tax expense	$	59,318	$	63,189	$	13,677

Reconciliation of Income Tax Expense With Expected Amounts Based Upon Statutory Federal Tax Rates

Income tax expense differs from the expected amounts based upon the statutory federal tax rates for the years ended December 31, 2020, 2019 and 2018 as follows:


(In thousands)	2020		2019		2018
Expected federal income tax at statutory rate	$	74,400	$	66,790	$	53,431
State income taxes before valuation allowance, net of federal tax effect	(1,539)		(1,563)		605
Effect of foreign source income	(7,877)		(1,362)		2,359
Tax contingencies	1,688		1,785		468
Valuation allowance	9,281		2,051		527
U.S. federal research credit	(7,204)		(6,514)		(2,263)
Equity compensation	(8,231)		(1,411)		(3,826)
Transition tax	—		—		89
Remeasurement of deferred taxes	—		—		619

Foreign derived intangible income	(1,153)		(7,851)		(4,846)
Legal entity restructuring foreign tax credit	—		—		(25,080)
Legal entity restructuring dividends received deduction	—		9,398		(9,398)
Other items, net	(47)		1,866		992
Income tax expense	$	59,318	$	63,189	$	13,677

Deferred Tax Assets And Deferred Tax Liabilities

The significant components of the Company’s deferred tax assets and deferred tax liabilities at December 31, 2020 and 2019 are as follows:


(In thousands)	2020		2019
Deferred tax assets attributable to:
Accounts receivable	$	436	$	87
Inventory	4,566		6,517
Accruals not currently deductible for tax purposes	12,828		7,568
Net operating loss and credit carryforwards	33,347		22,316

Equity compensation	3,001		3,415
Asset impairments	452		452
Other, net	6,212		5,990
Gross deferred tax assets	60,842		46,345
Valuation allowance	(29,399)		(20,118)
Total deferred tax assets	31,443		26,227
Deferred tax liabilities attributable to:
Purchased intangible assets	(38,083)		(44,447)
Depreciation	(13,276)		(6,491)
Total deferred tax liabilities	(51,359)		(50,938)
Net deferred tax liabilities	$	(19,916)	$	(24,711)

Reconciliations of Total Amount of Gross Unrecognized Tax Benefits

Reconciliations of the beginning and ending balances of the total amounts of gross unrecognized tax benefits for the years ended December 31, 2020 and 2019 are as follows:


(In thousands)	2020		2019
Gross unrecognized tax benefits at beginning of year	$	16,194	$	12,295
Increase in tax positions from prior years	412		1,786
Decrease in tax positions from prior years	(453)		(54)
Increases in tax positions for current year	3,463		3,414
Settlement of tax positions for current year	(532)		(421)
Lapse in statute of limitations	(1,689)		(826)
Gross unrecognized tax benefits at end of year	$	17,395	$	16,194

Equity (Tables)

12 Months Ended

Dec. 31, 2020

Equity [Abstract]

Summary of Option Activity

Stock option activity for the years ended December 31, 2020, 2019 and 2018 is summarized as follows:


	2020			2019			2018
(Shares in thousands)	Number of shares	Weighted average exercise price		Number of shares	Weighted average exercise price		Number of shares	Weighted average exercise price
Options outstanding, beginning of year	1,575	$	21.39	1,410	$	18.22	1,869	$	13.46
Granted	216	55.72		293	33.33		296	31.10
Exercised	(709)	13.60		(128)	13.89		(727)	10.89
Expired or forfeited	—	—		—	—		(28)	26.41
Options outstanding, end of year	1,082	$	33.38	1,575	$	21.39	1,410	$	18.22
Options exercisable, end of year	426	$	24.99	788	$	15.75	562	$	13.68

Summary of Options Outstanding

Options outstanding for the Company’s stock plans at December 31, 2020 are summarized as follows:


(Shares in thousands)	Options outstanding				Options exercisable
Range of exercise prices	Number outstanding	Weighted average remaining life in years	Weighted- average exercise price		Number exercisable	Weighted average exercise price
$12.20 to $13.49	71	2.0 years	$	12.37	71	$	12.37
$21.60 to $21.60	230	3.1 years	21.60		151	21.60
$31.10 to $31.10	273	4.1 years	31.10		133	31.10
$33.33 to $33.33	291	5.1 years	33.33		71	33.33
$55.72 to $55.72	217	6.1 years	55.72		—	—
	1,082	4.4 years	$	33.38	426	$	24.99

Weighted Average Assumptions Used In Valuation And Resulting Weighted Average Fair Value Per Option Granted


Employee stock options:	2020			2019			2018
Volatility	31.9		%	31.6		%	28.7		%
Risk-free interest rate	1.4		%	2.5		%	2.4		%
Dividend yield	0.6		%	0.8		%	0.9		%
Expected life (years)	4.3			4.1			3.9
Weighted average fair value per option	$	14.83		$	8.89		$	7.35

Summary of Restricted Stock Activity


	2020			2019			2018
(Shares in thousands)	Number of shares	Weighted average grant date fair value		Number of shares	Weighted average grant date fair value		Number of shares	Weighted average grant date fair value
Unvested, beginning of year	1,254	$	27.48	1,519	$	21.24	1,857	$	15.86
Granted	437	57.46		514	34.05		509	31.40
Vested	(564)	23.48		(679)	18.89		(732)	15.07
Forfeited	(44)	35.86		(100)	24.82		(115)	18.58
Unvested, end of year	1,083	41.31		1,254	27.48		1,519	21.24

Summary of Allocation of Share Based Compensation Expense

The following table summarizes the allocation of share-based compensation expense related to employee stock options,

restricted stock awards, performance-based restricted stock awards and grants under the employee stock purchase plan for the years ended December 31, 2020, 2019 and 2018:


(In thousands)	2020		2019		2018
Cost of sales	$	1,463	$	1,180	$	1,009
Engineering, research and development expenses	2,359		1,901		1,689
Selling, general and administrative expenses	19,098		16,548		14,414
Share-based compensation expense	22,920		19,629		17,112
Tax benefit	4,129		3,626		3,421
Share-based compensation expense, net of tax	$	18,791	$	16,003	$	13,691

Benefit Plans (Tables)

12 Months Ended

Dec. 31, 2020

Defined Benefit Plans and Other Postretirement Benefit Plans Disclosures [Abstract]

Estimated Funded Status

The tables below set forth the Company’s estimated funded status as of December 31, 2020 and 2019:


(In thousands)	2020		2019
Change in benefit obligation:
Benefit obligation at beginning of year	$	6,946	$	7,308
Service cost	31		26
Interest cost	37		54
Actuarial (gain) loss	137		471
Benefits paid	(322)		(636)
Curtailment	—		(346)
Other	—		—
Foreign exchange impact	449		69
Benefit obligation at end of year	7,278		6,946
Change in plan assets:
Fair value of plan assets at beginning of year	910		835
Return on plan assets	31		35
Employer contributions	73		93
Benefits paid	(41)		(63)
Foreign exchange impact	69		10
Fair value of plan assets at end of year	1,042		910
Funded status:
Plan assets less than benefit obligation - Net amount recognized	$	(6,236)	$	(6,036)

Amounts Recognized in Consolidated Balance Sheet

Amounts recognized in the consolidated balance sheets consist of:


(In thousands)	2020		2019
Noncurrent liability	$	(6,236)	$	(6,036)
Accumulated other comprehensive loss, net of taxes	840		791

Amounts Recognized in Accumulated Other Comprehensive Loss Net of Tax

Amounts recognized in accumulated other comprehensive loss, (pre-tax):


(In thousands)	2020		2019
Net actuarial loss	$	713	$	598
Prior service cost	454		460
Gross amount recognized	$	1,167	$	1,058

Pension Plans Accumulated Benefit Obligation in Excess of Plan Assets

Information for pension plans with a projected benefit obligation and an accumulated benefit obligation in excess of plan assets:


(In thousands)	2020		2019
Projected benefit obligation	$	7,278	$	6,946
Accumulated benefit obligation	6,480		6,030
Fair value of plan assets	1,042		910

Components of Net Periodic Benefit Cost

The components of the net periodic benefit cost for the years ended December 31, 2020, 2019 and 2018 were as follows:


(In thousands)	2020		2019		2018
Pension benefits:
Service cost	$	31	$	26	$	50
Interest cost	37		54		62
Expected return on plan assets	(15)		(16)		(18)
Curtailments	—		95		—
Settlements	21		—		—
Amortization of prior service cost	36		67		69
Amortization of plan loss	38		17		20
Net periodic pension benefit cost	$	148	$	243	$	183

Assumptions Used in Determining Benefit Obligation and Net Periodic Benefit Cost for Pension Plans


	2020		2019		2018
Benefit obligations:
Discount rate	0.39	%	0.53	%	0.76	%
Rate of compensation increase	2.33	%	2.91	%	3.08	%
Net periodic benefit cost:
Discount rate	0.98	%	1.29	%	1.66	%
Rate of compensation increase	2.33	%	3.51	%	3.18	%
Expected return on plan assets	1.82	%	1.51	%	1.89	%

Fair Value Measurements of Pension Plan Assets

The fair value measurements of the Company’s pension plan assets at December 31, 2020, by asset category are as follows:


(In thousands)			Quoted prices in active markets for identical assets		Significant observable inputs	Significant unobservable inputs
Asset category	Total		(Level 1)		(Level 2)	(Level 3)
Taiwan plan assets (a)	$	827	$	827	—	—
Germany plan assets (b)	215		215		—	—
	$	1,042	$	1,042	—	—

(a)This category includes investments in the government of Taiwan’s pension fund. The government of Taiwan is responsible for the strategy and allocation of the investment contributions.

The fair value measurements of the Company’s pension plan assets at December 31, 2019, by asset category are as follows:


(In thousands)			Quoted prices in active markets for identical assets		Significant observable inputs	Significant unobservable inputs
Asset category	Total		(Level 1)		(Level 2)	(Level 3)
Taiwan plan assets (a)	$	729	$	729	—	—
Germany plan assets (b)	181		181		—	—
	$	910	$	910	—	—

Expected Contribution And Benefit Payments

The Company expects to make the following contributions and benefit payments:


(In thousands)	Contributions		Payments
2021	$	74	$	41
2022	—		121
2023	—		214
2024	—		356
2025	—		350
Years 2026-2030	—		1,832

Earning Per Share (EPS) (Tables)

12 Months Ended

Dec. 31, 2020

Earnings Per Share [Abstract]

Reconcilation of Share Amount Used in Computaion of Basic and Diluted Earnings Per Share


(In thousands)	2020	2019	2018
Basic earnings per share—Weighted common shares outstanding	134,837	135,137	141,026
Weighted common shares assumed upon exercise of options and vesting of restricted stock units	1,429	1,431	1,584
Diluted earnings per share—Weighted common shares outstanding	136,266	136,568	142,610

Shares Excluded Underlying Stock Based Awards from Calculations of Diluted EPS


(In thousands)	2020	2019	2018
Shares excluded from calculations of diluted EPS	195	273	267

Segment Information (Tables)

12 Months Ended

Dec. 31, 2020

Segment Reporting [Abstract]

Summary of Financial Information for Reportable Segments

Summarized financial information for the Company’s reportable segments is shown in the following tables.


(In thousands)	2020		2019		2018
Net sales:
SCEM	$	609,532	$	526,519	$	530,241
MC	742,186		633,664		553,838
AMH	538,682		458,290		493,404
Inter-segment elimination	(31,087)		(27,407)		(26,986)
Total net sales	$	1,859,313	$	1,591,066	$	1,550,497

(In thousands)	2020		2019		2018
Segment profit:
SCEM	$	127,969	$	98,327	$	127,080
MC	248,910		194,398		166,852
AMH	111,028		75,173		92,327
Total segment profit	$	487,907	$	367,898	$	386,259
(In thousands)	2020		2019		2018
Total assets:
SCEM	$	1,022,357	$	936,609	$	757,381
MC	819,602		786,131		680,080
AMH	437,322		372,849		359,991
Corporate	638,415		420,497		520,189
Total assets	$	2,917,696	$	2,516,086	$	2,317,641


(In thousands)	2020		2019		2018
Depreciation and amortization:
SCEM	$	71,417	$	75,391	$	70,329
MC	39,775		41,917		33,590
AMH	25,231		23,911		22,805
Corporate	99		184		544
Total depreciation and amortization	$	136,522	$	141,403	$	127,268

(In thousands)	2020		2019		2018
Capital expenditures:
SCEM	$	54,989	$	57,585	$	44,337
MC	40,656		28,549		38,331
AMH	36,107		25,212		26,545
Corporate	—		1,009		940
Total capital expenditures	$	131,752	$	112,355	$	110,153

Reconciliation of Total Segment Profit to Operating Income

The following table reconciles total segment profit to income before income taxes and equity in net loss of affiliate:


(In thousands)	2020		2019		2018
Total segment profit	$	487,907	$	367,898	$	386,259
Less:
Amortization of intangibles	53,092		66,428		62,152
Unallocated general and administrative expenses	39,370		62,192		31,418
Operating income	395,445		239,278		292,689
Interest expense	48,600		46,962		34,094
Interest income	(786)		(4,652)		(3,839)
Other (income) expense, net	(6,656)		(121,081)		8,002
Income before income tax expense	$	354,287	$	318,049	$	254,432

Summary of Total Net Sales to External Customers

In the following tables, revenue is disaggregated by country or region based on the ship to location of the customer for the years ended December 31, 2020, 2019 and 2018:


	2020
(In thousands)	SCEM		MC		AMH		Inter-segment		Total
North America	$	189,009	$	144,015	$	164,576	$	(31,087)	$	466,513
Taiwan	106,665		171,201		94,339		—		372,205
South Korea	88,580		91,997		92,623		—		273,200
Japan	73,366		124,321		45,209		—		242,896
China	77,817		108,588		61,458		—		247,863
Europe	35,027		67,090		52,321		—		154,438
Southeast Asia	39,068		34,974		28,156		—		102,198
	$	609,532	$	742,186	$	538,682	$	(31,087)	$	1,859,313


	2019
(In thousands)	SCEM		MC		AMH		Inter-segment		Total
North America	$	149,570	$	113,551	$	145,150	$	(27,407)	$	380,864
Taiwan	94,561		144,404		70,864		—		309,829
South Korea	76,447		98,568		69,352		—		244,367
Japan	57,456		104,202		43,832		—		205,490
China	67,877		98,693		48,170		—		214,740
Europe	33,147		45,454		53,622		—		132,223
Southeast Asia	47,461		28,792		27,300		—		103,553
	$	526,519	$	633,664	$	458,290	$	(27,407)	$	1,591,066


(In thousands)	2018
	SCEM		MC		AMH		Inter-segment		Total
North America	$	133,834	$	95,421	$	144,763	$	(26,986)	$	347,032
Taiwan	104,707		118,208		66,948		—		289,863
South Korea	82,890		74,623		84,883		—		242,396
Japan	52,731		110,997		47,027		—		210,755
China	68,365		84,652		51,368		—		204,385
Europe	32,088		40,635		65,352		—		138,075
Southeast Asia	55,626		29,302		33,063		—		117,991
	$	530,241	$	553,838	$	493,404	$	(26,986)	$	1,550,497

Summary of Property, Plant and Equipment Attributed to Significant Countries

The following table summarizes property, plant and equipment, net, attributed to significant countries for the years ended December 31, 2020, 2019 and 2018:


(In thousands)	2020		2019		2018
Property, plant and equipment:
North America	$	348,363	$	329,323	$	289,049
South Korea	55,404		43,540		41,698
Japan	41,044		37,851		34,276
Malaysia	32,727		34,339		31,138
China	29,528		16,473		3,941
Taiwan	17,050		16,264		18,804
Other	1,251		1,754		623
	$	525,367	$	479,544	$	419,529

Quarterly Information-Unaudited (Tables)

12 Months Ended

Dec. 31, 2020

Selected Quarterly Financial Information [Abstract]

Quartely Information


	Fiscal quarter ended
(In thousands, except per share data)	March 28, 2020		June 27, 2020		September 26, 2020		December 31, 2020
Net sales	$	412,327	$	448,405	$	480,987	$	517,594
Gross profit	185,478		207,372		226,000		230,872
Net income	61,006		68,036		79,303		86,624
Basic net income per common share	0.45		0.51		0.59		0.64
Diluted net income per common share	0.45		0.50		0.58		0.63


	Fiscal quarter ended
(In thousands, except per share data)	March 30, 2019		June 29, 2019		September 28, 2019		December 31, 2019
Net sales	$	391,047	$	378,874	$	394,147	$	426,998
Gross profit	177,393		166,274		170,350		197,636
Net income	32,658		123,997		40,767		57,438
Basic net income per common share	0.24		0.92		0.30		0.43
Diluted net income per common share	0.24		0.91		0.30		0.42

Summary of Significant Accounting Policies - Additional Information (Detail) - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
Accounting Policies [Abstract]
Long-term Debt, Fair Value	$ 1,126,600
Total long-term debt	$ 1,085,783	$ 936,484

Revenues Revenues - Contract Liabilities (Details) - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
Revenue from Contract with Customer [Abstract]
Contract liabilities - current	$ 13,852	$ 13,022

Revenues Revenues - Revenue recognized (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2020 USD ($)
Revenue from Contract with Customer [Abstract]
Revenue recognized that was included in the contract liability balance at the beginning of the period	$ (11,018)
Increases due to cash received, excluding amounts recognized as revenue during the period	$ 11,848

Acquisition - GMTI (Details) - USD ($) $ in Thousands		12 Months Ended
Acquisition - GMTI (Details) - USD ($) $ in Thousands	Jul. 10, 2020	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Business Acquisition
Goodwill		$ 748,037	$ 695,044	$ 550,202
Total purchase price, net of cash acquired		111,912	$ 277,369	$ 380,694
GMTI Acquisition
Business Acquisition
Trade accounts and note receivable, net	$ 937
Inventories, net	1,079
Identifiable intangible assets	18,180
Right-of-use assets	337
Accounts payable and accrued liabilities	(28)
Short-term lease liability	(150)
Long-term lease liability	(187)
Net Assets Acquired	20,168
Goodwill	16,099
Total purchase price, net of cash acquired	36,267
Acquisition costs		$ 1,000
Total purchase price, net of cash acquired	$ 36,300
Business Acquisition, Date of Acquisition Agreement	Jul. 10, 2020
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life	13 years 6 months
GMTI Acquisition \| Developed Technology
Business Acquisition
Identifiable intangible assets	$ 3,570
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life	6 years 6 months
GMTI Acquisition \| Trademarks and Trade names
Business Acquisition
Identifiable intangible assets	$ 1,010
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life	11 years 6 months
GMTI Acquisition \| Customer Relationships
Business Acquisition
Identifiable intangible assets	$ 13,600
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life	15 years 6 months

Acquisition - Sinmat (Details) - USD ($) $ in Thousands		6 Months Ended	12 Months Ended
Acquisition - Sinmat (Details) - USD ($) $ in Thousands	Jan. 10, 2020	Jun. 27, 2020	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Business Acquisition
Goodwill			$ 748,037	$ 695,044	$ 550,202
Total purchase price, net of cash acquired			111,912	$ 277,369	$ 380,694
Sinmat Acquisition
Business Acquisition
Trade accounts and note receivable, net	$ 1,189	$ 1,189
Inventories, net	1,010	1,010
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Other	8	8
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment	63	63
Identifiable intangible assets	41,680	41,680
Right-of-use assets	1,712	1,712
Business Combination Recognized Identifiable Assets Acquired and Liabilities Assumed, Deferred Tax Assets	0	102
Accounts payable and accrued liabilities	(58)	(58)
Short-term lease liability	(150)	(150)
Long-term lease liability	(1,562)	(1,562)
Net Assets Acquired	43,892	43,994
Goodwill	31,751	31,651
Total purchase price, net of cash acquired	75,643	$ 75,645
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life		13 years 6 months
Total purchase price, net of cash acquired	75,600
Payments to Acquire Businesses, Gross	$ 76,200
Acquisition costs			$ 700
Business Acquisition, Date of Acquisition Agreement	Jan. 10, 2020
Sinmat Acquisition \| Developed Technology
Business Acquisition
Identifiable intangible assets		$ 7,650
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life		7 years
Sinmat Acquisition \| Trademarks and Trade names
Business Acquisition
Identifiable intangible assets		$ 130
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life		1 year 3 months 18 days
Sinmat Acquisition \| Customer Relationships
Business Acquisition
Identifiable intangible assets		$ 33,900
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life		15 years

Acquisition Acquisitions - Anow (Details) - USD ($) $ in Thousands		9 Months Ended	12 Months Ended
	Sep. 17, 2019	Sep. 26, 2020	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Business Acquisition
Goodwill			$ 748,037	$ 695,044	$ 550,202
Total purchase price, net of cash acquired			111,912	277,369	380,694
Deferred acquisition payments, net			$ 1,482	19,848	$ 0
Anow Acquisition
Business Acquisition
Business Acquisition, Date of Acquisition Agreement	Sep. 17, 2019
Business Acquisition Transaction Costs				$ 2,500
Trade accounts and note receivable, net	$ 3,455	$ 3,455
Inventories, net	4,242	4,459
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Other	202	739
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment	8,863	8,257
Identifiable intangible assets	42,179	16,439
Right-of-use assets	0	2,328
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Other Noncurrent Assets	1,565	74
Accounts payable and accrued liabilities	(1,814)	(5,217)
Short-term lease liability	0	(88)
Long-term lease liability	0	(107)
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Deferred Tax Liabilities Noncurrent	(10,890)	(3,751)
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Noncurrent Liabilities, Other	0	(3,270)
Net Assets Acquired	47,802	23,318
Goodwill	25,212	49,480
Total Purchase Price	73,014	$ 72,798
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life		10 years 3 months 18 days
Payments to Acquire Businesses, Gross	73,000
Total purchase price, net of cash acquired	69,300
Deferred acquisition payments, net	$ 3,500
Trademarks and Trade names \| Anow Acquisition
Business Acquisition
Identifiable intangible assets		$ 2,019
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life		7 years 3 months 18 days
Customer Relationships \| Anow Acquisition
Business Acquisition
Identifiable intangible assets		$ 7,656
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life		14 years 3 months 18 days
Developed Technology \| Anow Acquisition
Business Acquisition
Identifiable intangible assets		$ 6,764
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life		6 years 9 months 18 days

Acquisition Acquisition - MPD (Details) - USD ($) $ in Thousands		6 Months Ended	12 Months Ended
	Jul. 15, 2019	Jun. 27, 2020	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Business Acquisition
Goodwill			$ 748,037	$ 695,044	$ 550,202
Deferred acquisition payments, net			1,482	19,848	0
Total purchase price, net of cash acquired			$ 111,912	277,369	$ 380,694
MPD Acquisition
Business Acquisition
Business Acquisition, Date of Acquisition Agreement	Jul. 15, 2019
Trade accounts and note receivable, net	$ 3,575	$ 3,575
Inventories, net	21,899	8,689
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Other	318	313
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment	14,571	11,465
Identifiable intangible assets	74,900	$ 79,390
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life		16 years
Right-of-use assets	3,677	$ 3,621
Accounts payable and accrued liabilities	(2,440)	(1,874)
Short-term lease liability	(144)	(88)
Long-term lease liability	(4,016)	(4,016)
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Noncurrent Liabilities, Other	(1,416)	(1,416)
Net Assets Acquired	110,924	99,659
Goodwill	51,457	63,246
Total Purchase Price	162,381	162,905
Payments to Acquire Businesses, Gross	158,400
Business acquisition deferred payment, gross	5,000
Deferred acquisition payments, net	$ 4,500
Total purchase price, net of cash acquired		162,900
Acquisition costs				$ 4,000
Developed Technology \| MPD Acquisition
Business Acquisition
Identifiable intangible assets		$ 12,750
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life		11 years
Trademarks and Trade names \| MPD Acquisition
Business Acquisition
Identifiable intangible assets		$ 620
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life		2 years
Customer Relationships \| MPD Acquisition
Business Acquisition
Identifiable intangible assets		$ 66,020
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life		17 years

Trade Accounts and Notes Receivable (Detail) - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
Accounts, Notes, Loans and Financing Receivable, Gross, Allowance, and Net [Abstract]
Accounts receivable	$ 264,771	$ 233,274
Notes receivable	2,005	2,280
Total trade accounts and notes receivable	266,776	235,554
Less allowance for doubtful accounts	2,384	1,145
Trade accounts and notes receivable, net	$ 264,392	$ 234,409

Inventories (Detail) - USD ($)
$ in Thousands

Dec. 31, 2020

Dec. 31, 2019

Inventory Net

Raw materials

$ 97,319

$ 92,849

Work-in-process

32,316

30,856

Finished goods

^[1]

194,309

163,393

Total inventories

$ 323,944

$ 287,098

[1]	(a) Includes consignment inventories held by customers of $13.0 million and $13.6 million at December 31, 2020 and 2019, respectively.

Inventories Inventories - Additional Detail (Details) - USD ($) $ in Millions	Dec. 31, 2020	Dec. 31, 2019
Inventory Disclosure [Abstract]
Consignment inventory held by customers	$ 13.0	$ 13.6

Property, Plant and Equipment (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Property, Plant and Equipment
Land	$ 23,901	$ 27,184
Buildings and improvements	238,586	220,563
Manufacturing equipment	365,511	350,664
Canisters and cylinders	120,113	107,108
Molds	76,283	75,482
Office furniture and equipment	165,950	157,770
Construction in progress	109,280	63,197
Total property, plant and equipment	1,099,624	1,001,968
Less accumulated depreciation	574,257	522,424
Property, plant and equipment, net	$ 525,367	$ 479,544	$ 419,529
Minimum \| Building and Building Improvements
Property, Plant and Equipment
Estimated useful lives in years	5 years	5 years
Minimum \| Manufacturing Equipment
Property, Plant and Equipment
Estimated useful lives in years	5 years	5 years
Minimum \| Canisters and cylinders
Property, Plant and Equipment
Estimated useful lives in years	3 years	3 years
Minimum \| Molds
Property, Plant and Equipment
Estimated useful lives in years	3 years	3 years
Minimum \| Office Furniture and Equipment
Property, Plant and Equipment
Estimated useful lives in years	3 years	3 years
Maximum \| Building and Building Improvements
Property, Plant and Equipment
Estimated useful lives in years	35 years	35 years
Maximum \| Manufacturing Equipment
Property, Plant and Equipment
Estimated useful lives in years	10 years	10 years
Maximum \| Canisters and cylinders
Property, Plant and Equipment
Estimated useful lives in years	12 years	12 years
Maximum \| Molds
Property, Plant and Equipment
Estimated useful lives in years	5 years	5 years
Maximum \| Office Furniture and Equipment
Property, Plant and Equipment
Estimated useful lives in years	8 years	8 years

Property, Plant and Equipment Property, Plant and Equipment - Depreciation Expense (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Property, Plant and Equipment [Abstract]
Depreciation	$ 83,430	$ 74,975	$ 65,116

Goodwill and Intangible Assets Goodwill Rollforward (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Goodwill
Goodwill	$ 748,037	$ 695,044	$ 550,202
Addition due to acquisition	47,850	146,121
Purchase accounting adjustments	3,045	451
Foreign currency translation	2,098	(1,730)
SCEM
Goodwill
Goodwill	427,713	397,952	301,423
Addition due to acquisition	31,751	98,410
Purchase accounting adjustments	1,276	0
Foreign currency translation	(3,266)	(1,881)
MC
Goodwill
Goodwill	247,154	240,021	191,708
Addition due to acquisition	0	47,711
Purchase accounting adjustments	1,769	451
Foreign currency translation	5,364	151
AMH
Goodwill
Goodwill	73,170	57,071	$ 57,071
Addition due to acquisition	16,099	0
Purchase accounting adjustments	0	0
Foreign currency translation	$ 0	$ 0

Goodwill and Intangible Assets Goodwill additional (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Goodwill and Intangible Assets Disclosure [Abstract]
Goodwill	$ 748,037	$ 695,044	$ 550,202
Goodwill, Period Increase	$ 53,000

Intangible Assets (Detail) - USD ($) $ in Thousands	12 Months Ended
Intangible Assets (Detail) - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
Finite-Lived Intangible Assets
Gross carrying Amount	$ 783,427	$ 743,280
Accumulated amortization	445,795	409,328
Net carrying value	$ 337,632	$ 333,952
Weighted average life in years	10 years 1 month 6 days	9 years 8 months 12 days
Developed Technology
Finite-Lived Intangible Assets
Gross carrying Amount	$ 283,272	$ 272,334
Accumulated amortization	221,651	204,689
Net carrying value	$ 61,621	$ 67,645
Weighted average life in years	7 years 1 month 6 days	7 years 1 month 6 days
Trademarks and Trade names
Finite-Lived Intangible Assets
Gross carrying Amount	$ 30,100	$ 29,106
Accumulated amortization	18,374	16,326
Net carrying value	$ 11,726	$ 12,780
Weighted average life in years	10 years 1 month 6 days	10 years 1 month 6 days
Customer Relationships
Finite-Lived Intangible Assets
Gross carrying Amount	$ 449,659	$ 405,537
Accumulated amortization	193,313	161,551
Net carrying value	$ 256,346	$ 243,986
Weighted average life in years	12 years 2 months 12 days	11 years 9 months 18 days
Other
Finite-Lived Intangible Assets
Gross carrying Amount	$ 20,396	$ 36,303
Accumulated amortization	12,457	26,762
Net carrying value	$ 7,939	$ 9,541
Weighted average life in years	6 years 7 months 6 days	4 years 1 month 6 days

Amortization Expense (Detail) - USD ($) $ in Thousands	12 Months Ended
Amortization Expense (Detail) - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Goodwill and Intangible Assets Disclosure [Abstract]
Amortization expense	$ 53,092	$ 66,428	$ 62,152

Estimated Future Amortization Expense (Detail) - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
Goodwill and Intangible Assets Disclosure [Abstract]
2021	$ 48,535
2022	47,724
2023	47,035
2024	33,933
2025	31,335
Thereafter	129,070
Intangible assets, net	$ 337,632	$ 333,952

Debt - Long-term debt schedule (Details) - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018	Nov. 10, 2017
Debt Instrument
Long-term Debt, Gross	$ 1,095,000	$ 946,000
Unamortized discount and debt issuance costs	9,217	9,516
Total long-term debt	1,085,783	936,484
Less current maturities of long-term debt	0	4,000
Long-term debt less current maturities	1,085,783	932,484
Senior Unsecured Notes 2028
Debt Instrument
Long-term Debt, Gross	400,000	0
Senior secured term loan facility due 2025
Debt Instrument
Long-term Debt, Gross	145,000	396,000	$ 400,000
Senior unsecured notes due 2026
Debt Instrument
Long-term Debt, Gross	$ 550,000	$ 550,000		$ 550,000

Debt - Maturity Schedule (Details) - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
Debt Disclosure [Abstract]
2021	$ 0
2022	0
2023	0
2024	0
2025	145,000
Thereafter	950,000
Long-term Debt, Gross	$ 1,095,000	$ 946,000

Debt- 2028 Senior Unsecured Notes (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018	Nov. 10, 2017
Debt Disclosure [Abstract]
Long-term Debt, Gross	$ 1,095,000	$ 946,000
Debt Instrument
Payments of Debt Issuance Costs	$ 3,964	0	$ 7,400
Debt Instrument, Covenant Compliance	The Company is in compliance with all of the above covenants
Redemption prior to April 15, 2023 [Member]
Debt Instrument
Debt Instrument, Redemption Price, Percentage of Principle Amount Remaining Outstanding	60.00%
Percentage payment of Principle amount	40.00%
Senior Unsecured Notes 2028
Debt Disclosure [Abstract]
Long-term Debt, Gross	$ 400,000	0
Debt Instrument, Interest Rate, Stated Percentage	4.375%
Debt Instrument
Debt Instrument, Interest Rate, Stated Percentage	4.375%
Payments of Debt Issuance Costs	$ 4,000
Debt Instrument, Redemption Price, Percentage	100.00%
Redemption price, change of control	101.00%
Event of default percentage	25.00%
Debt Instrument, Covenant Compliance	The Company is in compliance with all of the above covenants
Senior Unsecured Notes 2028 \| Redemption After 2023 [Member]
Debt Instrument
Debt Instrument, Redemption Price, Percentage	102.188%
Senior Unsecured Notes 2028 \| Redemption After 2024 [Member]
Debt Instrument
Debt Instrument, Redemption Price, Percentage	101.094%
Senior Unsecured Notes 2028 \| Redemption after 2025 and thereafter [Member]
Debt Instrument
Debt Instrument, Redemption Price, Percentage	100.00%
Senior Unsecured Notes 2028 \| Redemption prior to April 15, 2023 [Member]
Debt Instrument
Debt Instrument, Redemption Price, Percentage	104.375%
Senior unsecured notes due 2026
Debt Disclosure [Abstract]
Long-term Debt, Gross	$ 550,000	$ 550,000		$ 550,000
Debt Instrument, Interest Rate, Stated Percentage	4.625%			4.625%
Debt Instrument
Debt Instrument, Interest Rate, Stated Percentage	4.625%			4.625%
Debt Instrument, Redemption Price, Percentage		100.00%
Redemption price, change of control		101.00%
Event of default percentage		25.00%
Debt Instrument, Covenant Compliance	The Company is in compliance with all of the above covenants

Debt - 2026 Senior Unsecured Notes (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Nov. 10, 2017
Debt Instrument
Long-term Debt, Gross	$ 1,095,000	$ 946,000
Debt Instrument, Covenant Compliance	The Company is in compliance with all of the above covenants
Senior unsecured notes due 2026
Debt Instrument
Long-term Debt, Gross	$ 550,000	$ 550,000	$ 550,000
Debt Instrument, Interest Rate, Stated Percentage	4.625%		4.625%
Debt Instrument, Redemption Price, Percentage		100.00%
Minimum redemption price on or after November 10, 2020		100.00%
Maximum redemption price on or after November 10, 2020		103.469%
Redemption price, change of control		101.00%
Debt Instrument, Covenant Compliance	The Company is in compliance with all of the above covenants
Event of default percentage		25.00%

Debt Debt - Senior Secured Credit Facilities (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Debt Instrument
Secured Debt	$ 700,000
Unamortized discount and debt issuance costs	9,217	$ 9,516
Long-term Debt, Gross	1,095,000	946,000
Line of Credit Facility, Maximum Borrowing Capacity	$ 300,000
Line of Credit Facility, Commitment Fee Percentage	0.20%
Payments of Debt Issuance Costs	$ 3,964	0	$ 7,400
Prepayment % of annual excess cash flow	50.00%
Prepayment % for asset sales and casualty events	100.00%
Line of Credit Facility, Expiration Date	Nov. 06, 2023
Letters of Credit Outstanding, Amount	$ 200
Debt Instrument, Covenant Description	If at any time, commencing with the fiscal quarter ending March 31, 2019, the Company has revolving borrowings, unreimbursed letter of credit drawings and undrawn letters of credit outstanding in an amount in excess of 35.0% of the commitment amount under the New Revolving Facility, the Credit Agreement requires the Company to maintain a secured net leverage ratio of at least 3.25 to 1.0.
Debt Instrument, Covenant Compliance	The Company is in compliance with all of the above covenants
Senior secured term loan facility due 2025
Debt Instrument
Long-term Debt, Gross	$ 145,000	$ 396,000	400,000
Long-term Debt, Percentage Bearing Variable Interest, Percentage Rate	2.15%
Payments of Debt Issuance Costs			$ 5,100
Debt Instrument, Maturity Date	Nov. 06, 2025

Other Income (Expense), Net (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Other Income and Expenses [Abstract]
Versum termination fee, net	$ 0	$ (122,000)	$ 0
(Gain) loss on foreign currency remeasurement	(9,751)	(237)	4,391
Loss on extinguishment of debt	2,378	0	2,429
Other, net	717	1,156	1,182
Other (income) expense, net	(6,656)	$ (121,081)	$ 8,002
Versum termination fee, gross	140,000
Investment Banking, Advisory, Brokerage, and Underwriting Fees and Commissions	$ 18,000

Leases - Lease Balances (Details) - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
Lessee, Lease, Description [Line Items]
Right-of-use assets	$ 45,924	$ 50,160
Long-term lease liabilities	39,730	43,827
Present value of lease liabilities	$ 49,690	$ 53,852
Operating leases	7 years 10 months 24 days	8 years 4 months 24 days
Weighted average discount rate	5.00%	4.90%
Right-of-use assets
Lessee, Lease, Description [Line Items]
Right-of-use assets	$ 45,924	$ 50,160
Other accrued liabilities
Lessee, Lease, Description [Line Items]
Short-term lease liability	9,960	10,025
Long-term lease liability
Lessee, Lease, Description [Line Items]
Long-term lease liabilities	$ 39,730	$ 43,827

Lease Commitments Leases - Components of Lease Expense (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Leases [Abstract]
Operating Lease, Cost	$ 13,576	$ 12,538

Lease Commitments Leases - Other Information (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Lessee, Lease, Description [Line Items]
Lease renewal options	6 years
Lease terminate option	options to terminate the leases within 1 year
Operating cash flows from leases	$ 10,806	$ 11,137
Right-of-Use Asset obtained	$ 5,133	$ 9,077
Minimum
Lessee, Lease, Description [Line Items]
Lease term	1 year
Maximum
Lessee, Lease, Description [Line Items]
Lease term	14 years

Lease - Future Minimum Lease Payments (Details) - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
Leases [Abstract]
2021	$ 12,365	$ 12,407
2022	8,571	10,221
2023	6,851	6,909
2024	5,752	6,055
2025	4,876	5,052
Thereafter	23,742	26,904
Total	62,157	67,548
Less: Interest	12,467	13,696
Present value of lease liabilities	$ 49,690	$ 53,852

Asset Retirement Obligations (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Asset Retirement Obligation [Abstract]
Asset Retirement Obligation, Beginning	$ 13,940	$ 12,543
Asset Retirement Obligation, assumed in acquisitions	0	1,416
Liabilities Settled	0	(102)
Liabilities Incurred	218	546
Accretion Expense	216	75
Revision of Estimate	126	(538)
Asset Retirement Obligation, Ending	$ 14,500	$ 13,940

Income Taxes - Income Before Income Taxes (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Income Tax Disclosure [Abstract]
Domestic	$ 86,572	$ 145,215	$ 61,545
Foreign	267,715	172,834	192,887
Income before income tax expense	$ 354,287	$ 318,049	$ 254,432

Income Taxes - Components of Income Tax Expense (Benefit) (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Income Tax Disclosure [Abstract]
Current, Federal	$ 8,107	$ 35,497	$ (14,775)
Current, State	1,151	2,625	1,605
Current, Foreign	57,310	39,075	38,723
Current, Total	66,568	77,197	25,553
Deferred (net of valuation allowance), Federal	(592)	(10,966)	(13,399)
Deferred (net of valuation allowance), State	(407)	(1,018)	(370)
Deferred (net of valuation allowance), Foreign	(6,251)	(2,024)	1,893
Deferred Income Tax Expense (Benefit)	(7,250)	(14,008)	(11,876)
Income tax expense	$ 59,318	$ 63,189	$ 13,677

Income Taxes - Reconciliation of Income Tax Expense With Expected Amounts Based Upon Statutory Federal Tax Rates (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Income Tax Disclosure [Abstract]
Expected federal income tax at statutory rate	$ 74,400	$ 66,790	$ 53,431
State income taxes before valuation allowance, net of federal tax effect	(1,539)	(1,563)	605
Effect of foreign source income	(7,877)	(1,362)	2,359
Tax contingencies	1,688	1,785	468
Valuation allowance	9,281	2,051	527
U.S. federal research credit	(7,204)	(6,514)	(2,263)
Equity compensation	(8,231)	(1,411)	(3,826)
Transition Tax Due To 2017 Tax Act	0	0	89
Remeasurement of Deferred Tax Assets Due To 2017 Tax Act	0	0	619
Foreign derived intangible income	(1,153)	(7,851)	(4,846)
Legal entity restructuring foreign tax credit	0	0	(25,080)
Legal entity restructuring dividends received deduction	0	9,398	(9,398)
Other items, net	(47)	1,866	992
Income tax expense	$ 59,318	$ 63,189	$ 13,677

Income Taxes - Korean and Singapore subsidiary commitments (Detail) - USD ($) $ / shares in Units, $ in Millions	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Income Tax [Line Items]
Undistributed Earnings of Foreign Subsidiaries	$ 66.6
Korea Tax Authority [Member]
Income Tax [Line Items]
Income tax benefit estimate attributable to the tax status of subsidiary			$ 4.0
Income tax expense benefit per diluted share			$ 0.03
Inland Revenue, Singapore (IRAS) [Member]
Income Tax [Line Items]
Income tax benefit estimate attributable to the tax status of subsidiary	$ 9.4	$ 5.8	$ 6.3
Income tax expense benefit per diluted share	$ 0.07	$ 0.04	$ 0.04
additional effective tax rate benefit	$ 5.4	$ 3.3	$ 3.6

Income Taxes - Deferred Tax Assets and Deferred Tax Liabilities (Detail) - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
Income Tax Disclosure [Abstract]
Accounts receivable	$ 436	$ 87
Inventory	4,566	6,517
Accruals not currently deductible for tax purposes	12,828	7,568
Net operating loss and credit carryforwards	33,347	22,316
Equity compensation	3,001	3,415
Asset impairments	452	452
Other, net	6,212	5,990
Gross deferred tax assets	60,842	46,345
Valuation allowance	(29,399)	(20,118)
Total deferred tax assets	31,443	26,227
Purchased intangible assets	(38,083)	(44,447)
Depreciation	(13,276)	(6,491)
Gross deferred tax liabilities	(51,359)	(50,938)
Total deferred tax liabilities	$ (19,916)	$ (24,711)

Income Taxes Income Taxes - Deferred tax additional information (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Income Taxes [Line Items]
Deferred Tax Liabilities, Net	$ 19,916	$ 24,711
Deferred Tax Assets, Valuation Allowance	29,399	20,118
Domestic Tax Authority
Income Taxes [Line Items]
Deferred Tax Liabilities, Net	4,700	12,200
Deferred Tax Assets, Valuation Allowance	$ 18,600	10,400
Operating Loss Carryforwards, Expiration Date	Jan. 01, 2021
State and Local Jurisdiction
Income Taxes [Line Items]
Deferred Tax Assets, Operating Loss Carryforwards, State and Local	$ 12,400
Foreign Tax Authority
Income Taxes [Line Items]
Deferred Tax Assets, Valuation Allowance	$ 10,800	9,700
Operating Loss Carryforwards, Expiration Date	Jan. 01, 2021
Deferred Tax Assets, Operating Loss Carryforwards, Foreign	$ 30,200
Deferred Tax Assets, Net	$ 14,100	$ 7,700

Income Taxes - Reconciliations of Total Amount of Gross Unrecognized Tax Benefits (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Income Tax Disclosure [Abstract]
Gross unrecognized tax benefits at beginning of year	$ 16,194	$ 12,295
Increase in tax positions for prior years	412	1,786
Increase in tax positions from prior years	(453)	(54)
Increases in tax positions for current year	3,463	3,414
Increases in tax positions for current year	(532)	(421)
Lapse in statute of limitations	(1,689)	(826)
Gross unrecognized tax benefits at end of year	$ 17,395	$ 16,194

Income Taxes Income Tax - Unrecognized tax benefits additional information (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Income Taxes [Line Items]
Unrecognized Tax Benefits that Would Impact Effective Tax Rate	$ 12.9
Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued	4.9	$ 3.9
Unrecognized Tax Benefits, Income Tax Penalties and Interest Expense	0.9	$ 0.6	$ 0.8
Significant Change in Unrecognized Tax Benefits is Reasonably Possible, Amount of Unrecorded Benefit	$ 2.3
Domestic Tax Authority
Income Taxes [Line Items]
Open Tax Year	2016
State and Local Jurisdiction
Income Taxes [Line Items]
Open Tax Year	2016

Equity - Summary of Option Activity (Detail) - $ / shares shares in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Number of shares
Number of shares, Options outstanding, beginning of year	1,575	1,410	1,869
Number of shares, Granted	216	293	296
Number of shares, Exercised	(709)	(128)	(727)
Number of shares, Expired or Forfeited	0	0	(28)
Number of shares, Options outstanding, end of year	1,082	1,575	1,410
Number of shares, Options exercisable, end of year	426	788	562
Weighted average exercise price
Weighted average exercise price, Options outstanding, beginning of year	$ 21.39	$ 18.22	$ 13.46
Weighted average exercise price, Granted	55.72	33.33	31.10
Weighted average exercise price, Exercised	13.60	13.89	10.89
Weighted average exercise price, Expired or Forfeited	0	0	26.41
Weighted average exercise price, Options outstanding, end of year	33.38	21.39	18.22
Weighted average exercise price, Options exercisable, end of year	$ 24.99	$ 15.75	$ 13.68

Equity - Summary of Options Outstanding (Detail) - $ / shares shares in Thousands	3 Months Ended												12 Months Ended
	Dec. 31, 2020	Sep. 26, 2020	Jun. 27, 2020	Mar. 28, 2020	Dec. 31, 2019	Sep. 28, 2019	Jun. 29, 2019	Mar. 30, 2019	Dec. 31, 2018	Sep. 29, 2018	Jun. 30, 2018	Mar. 31, 2018	Dec. 31, 2020
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range
Number of Options outstanding	1,082												1,082
Options outstanding, Weighted average remaining life in years													4 years 4 months 24 days
Options outstanding, Weighted-average exercise price	$ 33.38												$ 33.38
Number of Options exercisable	426												426
Options exercisable, Weighted average exercise price	$ 24.99												$ 24.99
Dividends declared per share	$ 0.08	$ 0.08	$ 0.08	$ 0.08	$ 0.08	$ 0.08	$ 0.07	$ 0.07	$ 0.07	$ 0.07	$ 0.07	$ 0.07
Range One
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range
Range of exercise prices, minimum													12.20
Range of exercise prices, maximum													$ 13.49
Number of Options outstanding	71												71
Options outstanding, Weighted average remaining life in years													2 years
Options outstanding, Weighted-average exercise price	$ 12.37												$ 12.37
Number of Options exercisable	71												71
Options exercisable, Weighted average exercise price	$ 12.37												$ 12.37
Range Two
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range
Range of exercise prices, minimum													21.60
Range of exercise prices, maximum													$ 21.60
Number of Options outstanding	230												230
Options outstanding, Weighted average remaining life in years													3 years 1 month 6 days
Options outstanding, Weighted-average exercise price	$ 21.60												$ 21.60
Number of Options exercisable	151												151
Options exercisable, Weighted average exercise price	$ 21.60												$ 21.60
Range Three
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range
Range of exercise prices, minimum													31.10
Range of exercise prices, maximum													$ 31.10
Number of Options outstanding	273												273
Options outstanding, Weighted average remaining life in years													4 years 1 month 6 days
Options outstanding, Weighted-average exercise price	$ 31.10												$ 31.10
Number of Options exercisable	133												133
Options exercisable, Weighted average exercise price	$ 31.10												$ 31.10
Range Four
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range
Range of exercise prices, minimum													33.33
Range of exercise prices, maximum													$ 33.33
Number of Options outstanding	291												291
Options outstanding, Weighted average remaining life in years													5 years 1 month 6 days
Options outstanding, Weighted-average exercise price	$ 33.33												$ 33.33
Number of Options exercisable	71												71
Options exercisable, Weighted average exercise price	$ 33.33												$ 33.33
Range Five
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range
Range of exercise prices, minimum													55.72
Range of exercise prices, maximum													$ 55.72
Number of Options outstanding	217												217
Options outstanding, Weighted average remaining life in years													6 years 1 month 6 days
Options outstanding, Weighted-average exercise price	$ 55.72												$ 55.72
Number of Options exercisable	0												0
Options exercisable, Weighted average exercise price	$ 0												$ 0

Equity - Weighted Average Assumptions Used in Valuation (Detail) - $ / shares	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Equity [Abstract]
Volatility	31.90%	31.60%	28.70%
Risk-free interest rate	1.40%	2.50%	2.40%
Dividend yield	0.60%	0.80%	0.90%
Expected life (years)	4 years 3 months 18 days	4 years 1 month 6 days	3 years 10 months 24 days
Weighted average fair value per option	$ 14.83	$ 8.89	$ 7.35

Summary of Restricted Stock Activity (Detail) - $ / shares shares in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Number of shares
Number of shares, Unvested, beginning of year	1,254	1,519	1,857
Number of shares, Granted	437	514	509
Number of shares, Vested	(564)	(679)	(732)
Number of shares, Forfeited	(44)	(100)	(115)
Number of shares, Unvested, end of year	1,083	1,254	1,519
Weighted average grant date fair value, Unvested
Weighted average grant date fair value, Unvested, beginning of year	$ 27.48	$ 21.24	$ 15.86
Weighted average grant date fair value, Granted	57.46	34.05	31.40
Weighted average grant date fair value, Vested	23.48	18.89	15.07
Weighted average grant date fair value, Forfeited	35.86	24.82	18.58
Weighted average grant date fair value, Unvested, end of year	$ 41.31	$ 27.48	$ 21.24

Summary of Allocation of Share Based Compensation Expense (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Share-based compensation expense	$ 22,920	$ 19,629	$ 17,112
Share-based Payment Arrangement, Expense, Tax Benefit	4,129	3,626	3,421
Share-based compensation expense, net of tax	18,791	16,003	13,691
Cost of Sales
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Share-based compensation expense	1,463	1,180	1,009
Engineering, Research and Development Expense
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Share-based compensation expense	2,359	1,901	1,689
Selling, General And Administrative Expenses
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Share-based compensation expense	$ 19,098	$ 16,548	$ 14,414

Equity - Additional Information (Detail) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended													12 Months Ended
	Apr. 03, 2021	Dec. 31, 2020	Sep. 26, 2020	Jun. 27, 2020	Mar. 28, 2020	Dec. 31, 2019	Sep. 28, 2019	Jun. 29, 2019	Mar. 30, 2019	Dec. 31, 2018	Sep. 29, 2018	Jun. 30, 2018	Mar. 31, 2018	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Equity [Line Items]
Dividends, Common Stock, Cash														$ (43,490)	$ (40,784)	$ (39,722)
Dividends declared per share		$ 0.08	$ 0.08	$ 0.08	$ 0.08	$ 0.08	$ 0.08	$ 0.07	$ 0.07	$ 0.07	$ 0.07	$ 0.07	$ 0.07
Stock Repurchase Program, Authorized Amount						$ 125,000									125,000
Stock Repurchased and Retired During Period, Value														$ (44,563)	$ (74,787)	$ (179,315)
Term of plan, in years														10 years
Weighted average remaining contractual term option outstanding														4 years 4 months 24 days
Weighted average remaining contractual term option exercisable														3 years 7 months 6 days
Shares available for future grants		9,000				8,200				8,700				9,000	8,200	8,700
Total pre-tax intrinsic value of stock options exercised														$ 36,400	$ 3,200
Total pre-tax intrinsic value based on the closing stock price		$ 96.10												$ 96.10
Intrinsic value of stock options outstanding		$ 67,900												$ 67,900
Intrinsic value of stock options exercisable		30,300												$ 30,300
Number of shares, Granted														216	293	296
Contractual term of stock options (in years)														7 years
Weighted average remaining contractual term for unvested restricted shares, in years														1 year 2 months 12 days	1 year 1 month 6 days
performance shares granted														100	100	200
Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition														2 years 6 months
Common Stock, Dividends, Per Share, Declared														$ 0.32	$ 0.30	$ 0.28
Subsequent Event [Member]
Equity [Line Items]
Common Stock, Dividends, Per Share, Declared	$ 0.08
Maximum
Equity [Line Items]
Vesting period, in years														4 years
Restricted Stock
Equity [Line Items]
Total compensation cost not yet recognized		30,600												$ 30,600
Unvested Stock Options
Equity [Line Items]
Total compensation cost not yet recognized		3,900												3,900
Performance Stock
Equity [Line Items]
Total compensation cost not yet recognized		$ 3,400												$ 3,400
Employee Stock Purchase Plan
Equity [Line Items]
Shares available for future grants		1,500												1,500
Percentage of employee contribution from compensation														10.00%
Rate of discount from the fair market value														15.00%
Shares purchase by employees														200	200	200
Weighted-average price per share paid by the employees		$ 46.58				$ 28.67				$ 24.86				$ 46.58	$ 28.67	$ 24.86

Benefit Plans - Additional Information (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Defined Benefit Plans and Other Postretirement Benefit Plans Disclosures [Abstract]
Maximum matching contribution	4.00%
Employer profit sharing and matching contribution expense	$ 8.2	$ 7.1	$ 6.1

Estimated Funded Status (Detail) - USD ($) $ in Thousands	12 Months Ended
Estimated Funded Status (Detail) - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Defined Benefit Plan, Change in Benefit Obligation [Roll Forward]
Benefit obligation at beginning of year	$ 6,946	$ 7,308
Service cost	31	26	$ 50
Interest cost	37	54	62
Actuarial (gain) loss	137	471
Benefits paid	(322)	(636)
Curtailment	0	(346)
Other	0	0
Foreign exchange impact	449	69
Benefit obligation at end of year	7,278	6,946	7,308
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Fair value of plan assets at beginning of year	910	835
Return on plan assets	31	35
Employer contributions	73	93
Benefits paid	(41)	(63)
Foreign exchange impact	69	10
Fair value of plan assets at end of year	1,042	910	$ 835
Plan assets less than benefit obligation - Net amount recognized	$ (6,236)	$ (6,036)

Amounts Recognized in Consolidated Balance Sheet (Detail) - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
Defined Benefit Plans and Other Postretirement Benefit Plans Disclosures [Abstract]
Noncurrent liability	$ (6,236)	$ (6,036)
Accumulated Other Comprehensive loss, net of taxes	$ 840	$ 791

Amounts Recognized in Accumulated Other Comprehensive Loss Net of Tax (Detail) - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
Defined Benefit Plans and Other Postretirement Benefit Plans Disclosures [Abstract]
Net actuarial loss	$ 713	$ 598
Prior service cost	454	460
Gross amount recognized	$ 1,167	$ 1,058

Pension Plans Accumulated Benefit Obligation in Excess of Plan Assets (Detail) - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
Defined Benefit Plans and Other Postretirement Benefit Plans Disclosures [Abstract]
Projected benefit obligation	$ 7,278	$ 6,946
Accumulated benefit obligation	6,480	6,030
Fair value of plan assets	$ 1,042	$ 910

Components of Net Periodic Benefit Cost (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Defined Benefit Plans and Other Postretirement Benefit Plans Disclosures [Abstract]
Service cost	$ 31	$ 26	$ 50
Interest cost	37	54	62
Expected return on plan assets	(15)	(16)	(18)
Curtailments	0	95	0
Defined Benefit Plan, Plan Assets, Payment for Settlement	21	0	0
Amortization of prior service cost	36	67	69
Amortization of plan loss	38	17	20
Net periodic pension benefit cost	$ 148	$ 243	$ 183

Assumptions Used in Determining Benefit Obligation and Net Periodic Benefit Cost for Pension Plans (Detail)	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Defined Benefit Plans and Other Postretirement Benefit Plans Disclosures [Abstract]
Benefit obligations, Discount rate	0.39%	0.53%	0.76%
Benefit obligations, Rate of compensation increase	2.33%	2.91%	3.08%
Net periodic benefit cost, Discount rate	0.98%	1.29%	1.66%
Net periodic benefit cost, Rate of compensation increase	2.33%	3.51%	3.18%
Net periodic benefit cost, Expected return on plan assets	1.82%	1.51%	1.89%

Fair Value Measurements of Pension Plan Assets (Detail) - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	$ 1,042	$ 910	$ 835
Fair Value, Inputs, Level 1
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	1,042	910
TAIWAN
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	827	729
TAIWAN \| Fair Value, Inputs, Level 1
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	827	729
GERMANY
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	215	181
GERMANY \| Fair Value, Inputs, Level 1
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	$ 215	$ 181

- Definition

Amount of asset segregated and restricted to provide benefit under defined benefit plan. Asset includes, but is not limited to, stock, bond, other investment, earning from investment, and contribution by employer and employee.

+ References + Details

Expected Contribution and Benefit Payments (Detail) $ in Thousands	Dec. 31, 2020 USD ($)
Defined Benefit Plans and Other Postretirement Benefit Plans Disclosures [Abstract]
Contribution in year 2021	$ 74
Payments in year 2021	41
Payments in year 2022	121
Payments in year 2023	214
Payments in year 2024	356
Payments in year 2025	350
Payments in years 2026-2030	$ 1,832

Earnings Per Share (EPS) - Reconciliation of Share Amount Used in Computation of Basic and Diluted Earnings Per Share (Detail) - shares shares in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Earnings Per Share [Abstract]
Basic earnings per share-Weighted common shares outstanding	134,837	135,137	141,026
Weighted common shares assumed upon exercise of options and vesting of restricted stock units	1,429	1,431	1,584
Diluted earnings per share-Weighted common shares outstanding	136,266	136,568	142,610

Earnings Per Share (EPS) - Shares Excluded Underlying Stock Based Awards from Calculations of Diluted EPS (Detail) - shares shares in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Earnings Per Share [Abstract]
Shares excluded from calculations of diluted EPS	195	273	267

Segment information - Summary of Financial Information for Reportable Segments (Detail) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2020 USD ($)	Sep. 26, 2020 USD ($)	Jun. 27, 2020 USD ($)	Mar. 28, 2020 USD ($)	Dec. 31, 2019 USD ($)	Sep. 28, 2019 USD ($)	Jun. 29, 2019 USD ($)	Mar. 30, 2019 USD ($)	Dec. 31, 2020 USD ($)	Dec. 31, 2019 USD ($)	Dec. 31, 2018 USD ($)
Segment Reporting Information
Number of Reportable Segments									3
Total net sales	$ 517,594	$ 480,987	$ 448,405	$ 412,327	$ 426,998	$ 394,147	$ 378,874	$ 391,047	$ 1,859,313	$ 1,591,066	$ 1,550,497
Total segment profit									487,907	367,898	386,259
Total assets	2,917,696				2,516,086				2,917,696	2,516,086	2,317,641
Total depreciation and amortization									136,522	141,403	127,268
Total capital expenditures									131,752	112,355	110,153
SCEM
Segment Reporting Information
Total net sales									609,532	526,519	530,241
Total segment profit									127,969	98,327	127,080
Total assets	1,022,357				936,609				1,022,357	936,609	757,381
Total depreciation and amortization									71,417	75,391	70,329
Total capital expenditures									54,989	57,585	44,337
MC
Segment Reporting Information
Total net sales									742,186	633,664	553,838
Total segment profit									248,910	194,398	166,852
Total assets	819,602				786,131				819,602	786,131	680,080
Total depreciation and amortization									39,775	41,917	33,590
Total capital expenditures									40,656	28,549	38,331
AMH
Segment Reporting Information
Total net sales									538,682	458,290	493,404
Total segment profit									111,028	75,173	92,327
Total assets	437,322				372,849				437,322	372,849	359,991
Total depreciation and amortization									25,231	23,911	22,805
Total capital expenditures									36,107	25,212	26,545
Corporate
Segment Reporting Information
Total assets	$ 638,415				$ 420,497				638,415	420,497	520,189
Total depreciation and amortization									99	184	544
Total capital expenditures									0	1,009	940
Inter-segment elimination
Segment Reporting Information
Total net sales									$ (31,087)	$ (27,407)	$ (26,986)

Segment Information - Reconciliation of Total Segment Profit to Operating Income (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Segment Reporting [Abstract]
Total segment profit	$ 487,907	$ 367,898	$ 386,259
Amortization	53,092	66,428	62,152
Unallocated general and administrative expenses	39,370	62,192	31,418
Operating income	395,445	239,278	292,689
Interest expense	48,600	46,962	34,094
Interest income	786	4,652	3,839
Other (income) expense, net	(6,656)	(121,081)	8,002
Income before income tax expense	$ 354,287	$ 318,049	$ 254,432

Segment Information - Summary of Total Net Sales to External Customers (Detail) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2020	Sep. 26, 2020	Jun. 27, 2020	Mar. 28, 2020	Dec. 31, 2019	Sep. 28, 2019	Jun. 29, 2019	Mar. 30, 2019	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Segment Reporting Information
Net sales	$ 517,594	$ 480,987	$ 448,405	$ 412,327	$ 426,998	$ 394,147	$ 378,874	$ 391,047	$ 1,859,313	$ 1,591,066	$ 1,550,497
NORTH AMERICA
Segment Reporting Information
Net sales									466,513	380,864	347,032
TAIWAN
Segment Reporting Information
Net sales									372,205	309,829	289,863
SOUTH KOREA
Segment Reporting Information
Net sales									273,200	244,367	242,396
JAPAN
Segment Reporting Information
Net sales									242,896	205,490	210,755
CHINA
Segment Reporting Information
Net sales									247,863	214,740	204,385
EUROPE
Segment Reporting Information
Net sales									154,438	132,223	138,075
SOUTHEAST ASIA
Segment Reporting Information
Net sales									102,198	103,553	117,991
SCEM
Segment Reporting Information
Net sales									609,532	526,519	530,241
SCEM \| NORTH AMERICA
Segment Reporting Information
Net sales									189,009	149,570	133,834
SCEM \| TAIWAN
Segment Reporting Information
Net sales									106,665	94,561	104,707
SCEM \| SOUTH KOREA
Segment Reporting Information
Net sales									88,580	76,447	82,890
SCEM \| JAPAN
Segment Reporting Information
Net sales									73,366	57,456	52,731
SCEM \| CHINA
Segment Reporting Information
Net sales									77,817	67,877	68,365
SCEM \| EUROPE
Segment Reporting Information
Net sales									35,027	33,147	32,088
SCEM \| SOUTHEAST ASIA
Segment Reporting Information
Net sales									39,068	47,461	55,626
MC
Segment Reporting Information
Net sales									742,186	633,664	553,838
MC \| NORTH AMERICA
Segment Reporting Information
Net sales									144,015	113,551	95,421
MC \| TAIWAN
Segment Reporting Information
Net sales									171,201	144,404	118,208
MC \| SOUTH KOREA
Segment Reporting Information
Net sales									91,997	98,568	74,623
MC \| JAPAN
Segment Reporting Information
Net sales									124,321	104,202	110,997
MC \| CHINA
Segment Reporting Information
Net sales									108,588	98,693	84,652
MC \| EUROPE
Segment Reporting Information
Net sales									67,090	45,454	40,635
MC \| SOUTHEAST ASIA
Segment Reporting Information
Net sales									34,974	28,792	29,302
AMH
Segment Reporting Information
Net sales									538,682	458,290	493,404
AMH \| NORTH AMERICA
Segment Reporting Information
Net sales									164,576	145,150	144,763
AMH \| TAIWAN
Segment Reporting Information
Net sales									94,339	70,864	66,948
AMH \| SOUTH KOREA
Segment Reporting Information
Net sales									92,623	69,352	84,883
AMH \| JAPAN
Segment Reporting Information
Net sales									45,209	43,832	47,027
AMH \| CHINA
Segment Reporting Information
Net sales									61,458	48,170	51,368
AMH \| EUROPE
Segment Reporting Information
Net sales									52,321	53,622	65,352
AMH \| SOUTHEAST ASIA
Segment Reporting Information
Net sales									28,156	27,300	33,063
Inter-segment elimination
Segment Reporting Information
Net sales									(31,087)	(27,407)	(26,986)
Inter-segment elimination \| NORTH AMERICA
Segment Reporting Information
Net sales									(31,087)	(27,407)	(26,986)
Inter-segment elimination \| TAIWAN
Segment Reporting Information
Net sales									0	0	0
Inter-segment elimination \| SOUTH KOREA
Segment Reporting Information
Net sales									0	0	0
Inter-segment elimination \| JAPAN
Segment Reporting Information
Net sales									0	0	0
Inter-segment elimination \| CHINA
Segment Reporting Information
Net sales									0	0	0
Inter-segment elimination \| EUROPE
Segment Reporting Information
Net sales									0	0	0
Inter-segment elimination \| SOUTHEAST ASIA
Segment Reporting Information
Net sales									$ 0	$ 0	$ 0

Segment Information - Summary of Property, Plant and Equipment Attributed to Significant Countries (Detail) - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Segment Reporting Information
Property, plant and equipment	$ 525,367	$ 479,544	$ 419,529
NORTH AMERICA
Segment Reporting Information
Property, plant and equipment	348,363	329,323	289,049
SOUTH KOREA
Segment Reporting Information
Property, plant and equipment	55,404	43,540	41,698
JAPAN
Segment Reporting Information
Property, plant and equipment	41,044	37,851	34,276
MALAYSIA
Segment Reporting Information
Property, plant and equipment	32,727	34,339	31,138
CHINA
Segment Reporting Information
Property, plant and equipment	29,528	16,473	3,941
TAIWAN
Segment Reporting Information
Property, plant and equipment	17,050	16,264	18,804
All Other Segments
Segment Reporting Information
Property, plant and equipment	$ 1,251	$ 1,754	$ 623

Segment Information - Sales from Largest Customer (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2020	Sep. 26, 2020	Jun. 27, 2020	Mar. 28, 2020	Dec. 31, 2019	Sep. 28, 2019	Jun. 29, 2019	Mar. 30, 2019	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Net sales	$ 517,594	$ 480,987	$ 448,405	$ 412,327	$ 426,998	$ 394,147	$ 378,874	$ 391,047	$ 1,859,313	$ 1,591,066	$ 1,550,497
TSMC
Net sales									$ 208,300	$ 187,000	153,900
Samsung
Net sales											$ 164,300

- Definition

Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 30
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=120311839&loc=d3e8906-108599

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 40
-URI http://asc.fasb.org/extlink&oid=120311839&loc=d3e9031-108599

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 41
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=120311839&loc=d3e9038-108599

Reference 4: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 32
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=120311839&loc=d3e8933-108599

Reference 5: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 32
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=120311839&loc=d3e8933-108599

Reference 6: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 4
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=121604090&loc=SL49130543-203045

Reference 7: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 22
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=120311839&loc=d3e8736-108599

Reference 8: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 22
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=120311839&loc=d3e8736-108599

Reference 9: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 42
-URI http://asc.fasb.org/extlink&oid=120311839&loc=d3e9054-108599

Reference 10: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=121604090&loc=SL49130545-203045

Reference 11: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 924
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SAB Topic 11.L)
-URI http://asc.fasb.org/extlink&oid=6472922&loc=d3e499488-122856

+ Details

Quarterly Information (Detail) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2020	Sep. 26, 2020	Jun. 27, 2020	Mar. 28, 2020	Dec. 31, 2019	Sep. 28, 2019	Jun. 29, 2019	Mar. 30, 2019	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Selected Quarterly Financial Information [Abstract]
Net sales	$ 517,594	$ 480,987	$ 448,405	$ 412,327	$ 426,998	$ 394,147	$ 378,874	$ 391,047	$ 1,859,313	$ 1,591,066	$ 1,550,497
Gross profit	230,872	226,000	207,372	185,478	197,636	170,350	166,274	177,393	849,722	711,653	719,831
Net income	$ 86,624	$ 79,303	$ 68,036	$ 61,006	$ 57,438	$ 40,767	$ 123,997	$ 32,658	$ 294,969	$ 254,860	$ 240,755
Basic net income per common share	$ 0.64	$ 0.59	$ 0.51	$ 0.45	$ 0.43	$ 0.30	$ 0.92	$ 0.24	$ 2.19	$ 1.89	$ 1.71
Diluted net income per common share	$ 0.63	$ 0.58	$ 0.50	$ 0.45	$ 0.42	$ 0.30	$ 0.91	$ 0.24	$ 2.16	$ 1.87	$ 1.69

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The amount of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period.

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The amount of net income (loss) for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period.

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Aggregate revenue less cost of goods and services sold or operating expenses directly attributable to the revenue generation activity.

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The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.