Supplemental Disclosures to Consolidated Statements of Cash Flows (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 28, 2021	Dec. 29, 2020	Dec. 31, 2019
Supplemental Cash Flow Elements [Abstract]
Interest paid (net of amounts capitalized)	$ 1,400	$ 2,500	$ 2,800
Income taxes paid (refunded)	106	(66)	(98)
Purchases of property and equipment accrued in accounts payable	$ 5,335	$ 891	$ 2,487