CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) - USD ($) $ in Thousands	12 Months Ended
	Dec. 30, 2022	Dec. 31, 2021	Jan. 01, 2021
Statement Of Income And Comprehensive Income [Abstract]
Net income	$ 38,755	$ 24,501	$ 5,913
Defined benefit plans:
Net change in plan assets	6,509	2,632	(3,639)
Reclassification into other income (expense), net	187	487	283
Investments available for sale unrealized loss	(406)
Foreign currency translation gain (loss)	(2,090)	(1,776)	717
Tax effect	4	154	142
Other comprehensive income (loss), net of tax	4,204	1,497	(2,497)
Comprehensive income	$ 42,959	$ 25,998	$ 3,416