Supplemental Financial Information - Accounts Receivable (Details) - USD ($) $ in Thousands	Jul. 04, 2023	Jan. 03, 2023
Accounts, Notes, Loans and Financing Receivable [Line Items]
Accounts receivable	$ 4,920	$ 6,443
Delivery program receivables
Accounts, Notes, Loans and Financing Receivable [Line Items]
Accounts receivable	2,118	2,027
Vendor rebate receivables
Accounts, Notes, Loans and Financing Receivable [Line Items]
Accounts receivable	650	801
Franchise receivables
Accounts, Notes, Loans and Financing Receivable [Line Items]
Accounts receivable	1,436	2,050
Other receivables
Accounts, Notes, Loans and Financing Receivable [Line Items]
Accounts receivable	$ 716	$ 1,565