Impairment of Long-Lived Assets (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 29, 2024	Dec. 31, 2023	Jan. 01, 2023
Impairment of Long-Lived Assets
Impairment of long-lived assets	$ 9,713	$ 1,401	$ 6,420
Company-operated restaurants
Impairment of Long-Lived Assets
Impairment of long-lived assets	9,073	1,316	5,485
Restaurants leased or subleased to franchisees
Impairment of Long-Lived Assets
Impairment of long-lived assets	0	0	242
Surplus properties
Impairment of Long-Lived Assets
Impairment of long-lived assets	$ 640	$ 85	$ 693