Goodwill By Reportable Segment (Details) - USD ($) $ in Thousands	Apr. 01, 2022	Dec. 31, 2021
Goodwill [Line Items]
Goodwill	$ 627,024	$ 630,729
Accumulated impairment of goodwill	(151,229)	(151,229)
Total	475,795	479,500
Photonics
Goodwill [Line Items]
Goodwill	212,591	214,564
Accumulated impairment of goodwill	(102,461)	(102,461)
Total	110,130	112,103
Vision
Goodwill [Line Items]
Goodwill	159,438	160,675
Accumulated impairment of goodwill	(31,722)	(31,722)
Total	127,716	128,953
Precision Motion
Goodwill [Line Items]
Goodwill	254,995	255,490
Accumulated impairment of goodwill	(17,046)	(17,046)
Total	$ 237,949	$ 238,444

Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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