Depreciation and Amortization Expenses by Reportable Segment (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jul. 01, 2022	Jul. 02, 2021	Jul. 01, 2022	Jul. 02, 2021
Depreciation and Amortization Expenses
Depreciation and amortization expenses	$ 13,811	$ 9,875	$ 27,855	$ 19,724
Unallocated Corporate and Shared Services
Depreciation and Amortization Expenses
Depreciation and amortization expenses	114	73	217	142
Photonics | Operating Segments
Depreciation and Amortization Expenses
Depreciation and amortization expenses	2,697	2,905	5,474	5,803
Vision | Operating Segments
Depreciation and Amortization Expenses
Depreciation and amortization expenses	4,322	5,279	8,749	10,554
Precision Motion | Operating Segments
Depreciation and Amortization Expenses
Depreciation and amortization expenses	$ 6,678	$ 1,618	$ 13,415	$ 3,225