Leases - Narrative (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Sep. 27, 2020	Jun. 28, 2020	Mar. 29, 2020
Leases [Abstract]
Operating lease right-of-use assets, net	$ 191,370	$ 162,184	$ 159,975	$ 154,375	$ 161,731
Operating lease liabilities	192,349
Operating lease cost	$ 55,700	$ 50,000
Weighted average remaining lease term (in years)	7 years
Weighted average discount rate (as a percent)	6.20%
Cash payments for operating leases	$ 44,000