Acquisitions - Valuation Assumptions and Weighted-Average Useful Life (Details)				12 Months Ended
	Oct. 01, 2021	Dec. 01, 2020	Apr. 01, 2020	Dec. 31, 2021
Developed Software and Core Technologies
Finite-lived intangible asset, useful life				11 years
Trade Names
Finite-lived intangible asset, useful life				10 years
Customer Lists
Finite-lived intangible asset, useful life				8 years
Zemax, LLC | Developed Software and Core Technologies
Finite-lived intangible asset, useful life	11 years
Discount Rate	7.50%
Zemax, LLC | Trade Names
Finite-lived intangible asset, useful life	10 years
Royalty Rate	2.00%
Discount Rate	8.00%
Zemax, LLC | Customer Lists
Finite-lived intangible asset, useful life	8 years
Discount Rate	7.50%
Attrition Rate	10.00%
Analytical Graphics, Inc. | Developed Software and Core Technologies
Finite-lived intangible asset, useful life		10 years
Royalty Rate		40.00%
Discount Rate		11.00%
Analytical Graphics, Inc. | Trade Names
Finite-lived intangible asset, useful life		9 years
Discount Rate		11.00%
Analytical Graphics, Inc. | Customer Lists
Finite-lived intangible asset, useful life		15 years
Discount Rate		12.00%
Attrition Rate		10.00%
Analytical Graphics, Inc. | Minimum | Trade Names
Royalty Rate		1.00%
Analytical Graphics, Inc. | Maximum | Trade Names
Royalty Rate		2.00%
Lumerical | Developed Software and Core Technologies
Finite-lived intangible asset, useful life			10 years
Discount Rate			16.50%
Lumerical | Trade Names
Finite-lived intangible asset, useful life			6 years
Royalty Rate			2.00%
Discount Rate			16.50%
Lumerical | Customer Lists
Finite-lived intangible asset, useful life			10 years
Discount Rate			12.50%
Attrition Rate			10.00%