Leases - Components of Lease Expense (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 26, 2021	Dec. 27, 2020
Leases
Amortization of right-of-use assets	$ 4,980	$ 2,342
Interest on lease liabilities	1,140	606
Operating lease cost	43,072	40,026
Short-term lease cost	2,032	3,960
Variable lease cost	8,572	6,503
Total lease costs	59,796	53,437
Sublease income	(12,039)	(10,407)
Total lease costs, net of sublease income	$ 47,757	$ 43,030