Condensed Consolidated Statements of Equity - USD ($) $ in Thousands	Total	Dividend Declared	Dividend Paid	Common Stock	Additional Paid-in Capital	Retained Earnings	Retained Earnings Dividend Declared	Retained Earnings Dividend Paid	Accumulated Other Comprehensive Income (Loss)	Non-controlling Interest
Beginning balance at Jan. 02, 2021	$ 590,745			$ 42,919	$ 38,659	$ 517,994			$ (9,153)	$ 326
Comprehensive income:
Net income (loss)	15,018					15,019				(1)
Other comprehensive income (loss), net of tax	31								31
Dividends		$ (281)	$ (13,173)				$ (281)	$ (13,173)
Common shares – treasury:
Shares issued under Members' Stock Purchase Plan and stock awards, net of tax	25,421			633	24,788
Ending balance at Apr. 03, 2021	617,761			43,552	63,447	519,559			(9,122)	325
Beginning balance at Jan. 01, 2022	589,967			42,582	39,192	514,645			(6,775)	323
Comprehensive income:
Net income (loss)	14,177					14,178				(1)
Other comprehensive income (loss), net of tax	(65)								(65)
Dividends		$ (57)	$ (13,138)				$ (57)	$ (13,138)
Common shares – treasury:
Shares purchased	(23,889)			(569)	(8,458)	(14,862)
Shares issued under Members' Stock Purchase Plan and stock awards, net of tax	15,045			372	14,673
Ending balance at Apr. 02, 2022	$ 582,040			$ 42,385	$ 45,407	$ 500,766			$ (6,840)	$ 322