Leases - Supplemental Cash Flow Information (Details) - USD ($) $ in Thousands	6 Months Ended
	Jun. 27, 2021	Jun. 28, 2020
Leases
Operating cash flows from finance leases	$ 574	$ 295
Financing cash flows from finance leases	2,188	939
Operating cash flows from operating leases	19,139	18,744
Right-of-use assets obtained in exchange for new finance lease liabilities	8,393	19
Right-of-use assets obtained in exchange for new operating lease liabilities	35,115	13,370
Cash received from sublease income	5,890	$ 5,014
Corporate Headquarters Atlanta, Georgia
Leases
Right-of-use assets obtained in exchange for new operating lease liabilities	$ 14,300