Consolidated Statements of Operations (Parenthetical) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jul. 01, 2022	Jul. 02, 2021	Jul. 01, 2022	Jul. 02, 2021
Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Line Items]
Total share based compensation			$ 5,317	$ 5,240
Cost Of Sales [Member]
Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Line Items]
Total share based compensation	$ 1,483	$ 3,149	1,779	3,626
Selling General And Administrative Expenses [Member]
Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Line Items]
Total share based compensation	$ 1,235	$ 2,168	$ 874	$ 1,614