Acquisitions - Recognized Amounts of Identifiable Assets Acquired and Liabilities Assumed 2021 (Details) - USD ($) $ in Thousands		12 Months Ended
	Oct. 01, 2021	Dec. 31, 2021	Dec. 31, 2020
Business Acquisition [Line Items]
Cash		$ 16,673	$ 29,507
Accounts receivable and other tangible assets		10,047	32,921
Accounts payable and other liabilities		(7,609)	(24,724)
Deferred revenue		(3,831)	(6,872)
Net deferred tax liabilities		(32,118)	(59,925)
Total identifiable net assets		131,662	233,593
Goodwill		390,548	594,041
Developed Software and Core Technologies
Business Acquisition [Line Items]
Finite-lived intangible assets		$ 128,200	215,714
Finite-lived intangible asset, useful life		11 years
Customer Lists
Business Acquisition [Line Items]
Finite-lived intangible assets		$ 12,300	27,016
Finite-lived intangible asset, useful life		8 years
Trade Names
Business Acquisition [Line Items]
Finite-lived intangible assets		$ 8,000	$ 19,956
Finite-lived intangible asset, useful life		10 years
Zemax, LLC
Business Acquisition [Line Items]
Cash	$ 12,353
Accounts receivable and other tangible assets	7,069
Accounts payable and other liabilities	(4,757)
Deferred revenue	(3,085)
Net deferred tax liabilities	(24,609)
Total identifiable net assets	99,971
Goodwill	311,500
Zemax, LLC | Developed Software and Core Technologies
Business Acquisition [Line Items]
Finite-lived intangible assets	$ 96,000
Finite-lived intangible asset, useful life	11 years
Zemax, LLC | Customer Lists
Business Acquisition [Line Items]
Finite-lived intangible assets	$ 10,000
Finite-lived intangible asset, useful life	8 years
Zemax, LLC | Trade Names
Business Acquisition [Line Items]
Finite-lived intangible assets	$ 7,000
Finite-lived intangible asset, useful life	10 years
Other Acquisitions
Business Acquisition [Line Items]
Cash		$ 4,320
Accounts receivable and other tangible assets		2,978
Accounts payable and other liabilities		(2,852)
Deferred revenue		(746)
Net deferred tax liabilities		(7,509)
Total identifiable net assets		31,691
Goodwill		79,048
Other Acquisitions | Developed Software and Core Technologies
Business Acquisition [Line Items]
Finite-lived intangible assets		32,200
Other Acquisitions | Customer Lists
Business Acquisition [Line Items]
Finite-lived intangible assets		2,300
Other Acquisitions | Trade Names
Business Acquisition [Line Items]
Finite-lived intangible assets		$ 1,000