Cash and Receivables Allowance for Doubtful Accounts (Details) - USD ($) $ in Thousands	12 Months Ended
	Jan. 01, 2023	Jan. 02, 2022	Jan. 03, 2021
Allowance for Doubtful Accounts Receivable
Balance at beginning of period; accounts receivable	$ 3,229	$ 3,739	$ 3,314
Provision for doubtful accounts; accounts receivable	(565)	(148)	647
Uncollectible accounts written off, net of recoveries; accounts receivable	(957)	(362)	(222)
Balance at end of period; accounts receivable	1,707	3,229	3,739
Balance at beginning of period; notes receivable	5,290	5,625	6,705
Provision for doubtful accounts; notes receivable	(350)	(335)	206
Uncollectible accounts written off, net of recoveries; notes receivable	(300)	0	(1,286)
Balance at end of period; notes receivable	4,640	5,290	5,625
Balance at beginning of period; total	8,519	9,364	10,019
Provision for doubtful accounts; total	(915)	(483)	853
Uncollectible accounts written off, net of recoveries; total	(1,257)	(362)	(1,508)
Balance at end of period; total	$ 6,347	$ 8,519	$ 9,364