Leases - Components of Lease Costs (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 29, 2020	Dec. 31, 2019
Lease Cost
Operating lease cost	$ 39,870	$ 40,753
Closure costs, loss on disposals and other	1,309	802
Finance lease cost - Amortization of lease assets	1,142	661
Finance lease cost - Interest on lease liabilities	163	73
Operating and finance lease costs	42,484	42,289
Sublease income	(1,266)	(651)
Total lease cost, net	$ 41,218	$ 41,638