Cash and Receivables Allowance for Doubtful Accounts (Details) - USD ($) $ in Thousands	12 Months Ended
	Jan. 02, 2022	Jan. 03, 2021	Dec. 29, 2019
Allowance for Doubtful Accounts Receivable
Balance at beginning of period; accounts receivable	$ 3,739	$ 3,314	$ 4,939
Provision for doubtful accounts; accounts receivable	(148)	647	(1,618)
Uncollectible accounts written off, net of recoveries; accounts receivable	(362)	(222)	(7)
Balance at end of period; accounts receivable	3,229	3,739	3,314
Balance at beginning of period; notes receivable	5,625	6,705	2,000
Provision for doubtful accounts; notes receivable	(335)	206	4,912
Uncollectible accounts written off, net of recoveries; notes receivable	0	(1,286)	(207)
Balance at end of period; notes receivable	5,290	5,625	6,705
Balance at beginning of period; total	9,364	10,019	6,939
Provision for doubtful accounts; total	(483)	853	3,294
Uncollectible accounts written off, net of recoveries; total	(362)	(1,508)	(214)
Balance at end of period; total	$ 8,519	$ 9,364	$ 10,019