Leases - Supplemental Cash Flow Information (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 26, 2021	Dec. 27, 2020	Dec. 29, 2019
Leases
Operating cash flows from finance leases	$ 1,140	$ 606	$ 269
Financing cash flows from finance leases	4,566	2,139	781
Operating cash flows from operating leases	38,530	37,113	40,152
Right-of-use assets obtained in exchange for new finance lease liabilities	9,486	9,152	10,199
Right-of-use assets obtained in exchange for new operating lease liabilities	64,420	30,266	20,903
Cash received from sublease income	$ 11,597	$ 10,545	$ 10,139
Weighted-average remaining lease term of finance leases	4 years 6 months 3 days	4 years 8 months 15 days	4 years 9 months
Weighted-average remaining lease term of operating leases	8 years 3 months 18 days	7 years	7 years
Weighted-average discount rate of finance leases	5.08%	5.34%	6.38%
Weighted-average discount rate of operating leases	6.20%	6.65%	6.94%
Corporate Headquarters Atlanta, Georgia
Leases
Right-of-use assets obtained in exchange for new operating lease liabilities	$ 21,800