REVENUE FROM CONTRACTS WITH CUSTOMERS - Schedule of Disaggregated Revenue (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 29, 2024	Dec. 31, 2023
Disaggregation of Revenue [Line Items]
Total revenue	$ 353,801	$ 230,867
Revenue recognized at a point in time
Disaggregation of Revenue [Line Items]
Total revenue	353,544	230,347
Franchise fees | Revenue recognized over time
Disaggregation of Revenue [Line Items]
Total revenue	257	520
Restaurant sales | Revenue recognized at a point in time
Disaggregation of Revenue [Line Items]
Total revenue	20,487	19,019
Advertising fees | Revenue recognized at a point in time
Disaggregation of Revenue [Line Items]
Total revenue	10,243	9,548
Restaurant sales
Disaggregation of Revenue [Line Items]
Total revenue	320,211	199,369
Restaurant sales | Revenue recognized at a point in time
Disaggregation of Revenue [Line Items]
Total revenue	320,211	199,369
Management fees and other income | Revenue recognized at a point in time
Disaggregation of Revenue [Line Items]
Total revenue	$ 2,603	$ 2,411