Leases - Supplemental Cash Flow Information (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 28, 2021	Mar. 29, 2020
Leases
Operating cash flows from finance leases	$ 278	$ 151
Financing cash flows from finance leases	1,059	466
Operating cash flows from operating leases	9,483	9,480
Right-of-use assets obtained in exchange for new finance lease liabilities	7,014	19
Right-of-use assets obtained in exchange for new operating lease liabilities	28,428	7,451
Cash received from sublease income	2,987	$ 2,494
Corporate Headquarters Atlanta, Georgia
Leases
Right-of-use assets obtained in exchange for new operating lease liabilities	$ 14,500