Supplemental Financial Information - Accounts Receivable (Details) - USD ($) $ in Thousands	Jan. 02, 2024	Jan. 03, 2023
Accounts, Notes, Loans and Financing Receivable [Line Items]
Accounts receivable	$ 5,144	$ 6,443
Delivery program receivables
Accounts, Notes, Loans and Financing Receivable [Line Items]
Accounts receivable	1,869	2,027
Vendor rebate receivables
Accounts, Notes, Loans and Financing Receivable [Line Items]
Accounts receivable	779	801
Franchise Receivable [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Accounts receivable	1,043	2,050
Other receivables
Accounts, Notes, Loans and Financing Receivable [Line Items]
Accounts receivable	$ 1,453	$ 1,565