- Other Information (Details) - USD ($) $ in Thousands	6 Months Ended
	Jun. 27, 2020	Jun. 29, 2019	Dec. 28, 2019
Leases [Abstract]
Operating cash flows from operating leases	$ 25,282	$ 24,980
Operating right-of-use assets, net	134,901		$ 124,726
Operating lease liability, current	39,532		37,805
Operating lease liability, non-current	99,482		91,424
Operating Lease, Liability	$ 139,014		$ 129,229
Weighted average remaining lease term - operating leases	6 years 3 months 7 days		6 years 6 months
Weighted average discount rate - operating leases	4.45%		4.71%