Goodwill and Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2020

Goodwill and Intangible Assets Disclosure [Abstract]

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

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