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Goodwill and Intangible Assets (Tables)
 12 Months Ended
Dec. 31, 2021
Goodwill and Intangible Assets Disclosure [Abstract]  
Schedule of Goodwill 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, 2021 and 2020 is shown below:
(In thousands)SCEMMCAMHTotal
December 31, 2019$397,952 $240,021 $57,071 $695,044 
Addition due to acquisitions31,751 — 16,099 47,850 
Purchase accounting adjustments1,276 1,769 — 3,045 
Foreign currency translation(3,266)5,364 — 2,098 
December 31, 2020427,713 247,154 73,170 748,037 
Addition due to acquisitions42,819 — 932 43,751 
Foreign currency translation343 1,571 — 1,914 
December 31, 2021$470,875 $248,725 $74,102 $793,702 
Schedule of Acquired Finite-Lived Intangible Assets by Major Class Identifiable intangible assets at December 31, 2021 and 2020 consist of the following:
2021
(In thousands)Gross carrying
amount		Accumulated
amortization		Net carrying
value		Weighted
average life in
years
Developed technology$293,982 $232,722 $61,260 7.2
Trademarks and trade names33,553 20,340 13,213 10.6
Customer relationships481,674 227,350 254,324 12.4
Other20,505 14,189 6,316 6.6
$829,714 $494,601 $335,113 10.3
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 names30,100 18,374 11,726 10.1
Customer relationships449,659 193,313 256,346 12.2
Other20,396 12,457 7,939 6.6
$783,427 $445,795 $337,632 10.1
Amortization of Intangibles The table below sets forth the amortization expense for the years ended December 31, 2021, 2020, and 2019:
(In thousands)202120202019
Amortization expense$47,856 $53,092 $66,428 
Estimated Future Amortization Expense
(In thousands)20222023202420252026ThereafterTotal
Future amortization expense$51,041 50,352 37,738 31,293 29,060 135,629 $335,113