Consolidated Statements of Operations (Parenthetical) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Jan. 01, 2021	Dec. 27, 2019
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Total share based compensation	$ 10,122	$ 9,740	$ 7,716
Cost of Sales [Member]
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Total share based compensation	6,766	7,319	4,785
Selling General and Administrative [Member]
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Total share based compensation	$ 3,356	$ 2,421	$ 2,931