Consolidated Statements of Operations (Parenthetical) - USD ($) $ in Thousands	3 Months Ended
	Apr. 01, 2022	Apr. 02, 2021
Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Line Items]
Total share based compensation	$ 2,599	$ 2,587
Cost Of Sales [Member]
Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Line Items]
Total share based compensation	1,666	1,847
Selling General And Administrative Expenses [Member]
Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Line Items]
Total share based compensation	$ 933	$ 740