Leases - Narrative (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
	Jun. 27, 2021	Jun. 27, 2021	Dec. 31, 2020
Leases [Abstract]
Operating lease right-of-use assets, net	$ 195,245	$ 195,245	$ 191,370
Operating lease liabilities	198,081	198,081
Operating lease cost	$ 15,200	$ 30,800
Weighted average remaining lease term (in years)	6 years 6 months	6 years 6 months
Weighted average discount rate (as a percent)	6.10%	6.10%
Cash payments for operating leases	$ 12,200	$ 24,200