- Other Information (Details) - USD ($) $ in Thousands	9 Months Ended
	Sep. 26, 2020	Sep. 28, 2019	Dec. 28, 2019
Leases [Abstract]
Operating cash flows from operating leases	$ 37,654	$ 35,325
Operating right-of-use assets, net	142,269		$ 124,726
Operating lease liability, current	40,973		37,805
Operating lease liability, non-current	105,821		91,424
Operating Lease, Liability	$ 146,794		$ 129,229
Weighted average remaining lease term - operating leases	6 years 3 months 18 days		6 years 5 months 15 days
Weighted average discount rate - operating leases	4.22%		4.55%