Supplemental Financial Information - Accounts Receivable (Details) - USD ($) $ in Thousands	Jan. 03, 2023	Dec. 28, 2021
Accounts, Notes, Loans and Financing Receivable [Line Items]
Accounts receivable	$ 6,443	$ 3,958
Delivery program receivables
Accounts, Notes, Loans and Financing Receivable [Line Items]
Accounts receivable	2,027	1,467
Vendor rebate receivables
Accounts, Notes, Loans and Financing Receivable [Line Items]
Accounts receivable	801	695
Franchise Receivable [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Accounts receivable	2,050	644
Other receivables
Accounts, Notes, Loans and Financing Receivable [Line Items]
Accounts receivable	$ 1,565	$ 1,152