Revenue Recognition - Contract Balances (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 24, 2023	Sep. 25, 2022	Sep. 24, 2023	Sep. 25, 2022	Dec. 25, 2022
Disaggregation of Revenue [Line Items]
Revenue recognized related to deferred revenue and customer loyalty program	$ 8,100	$ 8,000	$ 24,400	$ 25,600
Contract Liabilities
Beginning balance			44,476
Ending balance	40,264		40,264
Change			(4,212)
Contract assets	6,700		6,700		$ 6,200
Amortization expense related to contract assets	900	$ 800	2,700	$ 2,700
Franchise fees and unredeemed gift card liabilities
Contract Liabilities
Beginning balance			30,710
Ending balance	27,189		27,189
Change			(3,521)
Customer loyalty program obligations
Contract Liabilities
Beginning balance			13,766
Ending balance	$ 13,075		13,075
Change			$ (691)