Goodwill By Reportable Segment (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Goodwill [Line Items]
Goodwill	$ 630,729	$ 437,209
Accumulated impairment of goodwill	(151,229)	(151,229)
Total	479,500	285,980
Photonics
Goodwill [Line Items]
Goodwill	214,564	218,517
Accumulated impairment of goodwill	(102,461)	(102,461)
Total	112,103	116,056
Vision
Goodwill [Line Items]
Goodwill	160,675	165,195
Accumulated impairment of goodwill	(31,722)	(31,722)
Total	128,953	133,473
Precision Motion
Goodwill [Line Items]
Goodwill	255,490	53,497
Accumulated impairment of goodwill	(17,046)	(17,046)
Total	$ 238,444	$ 36,451