Leases - Schedule of Operating Lease Costs (Details) - USD ($) $ in Thousands		3 Months Ended
		Mar. 28, 2020	Mar. 30, 2019
Leases [Abstract]
Operating lease costs	[1]	$ 22,949	$ 21,056
Variable lease costs		$ 12	$ 499

[1] Includes short-term lease costs which are not significant.