Leases - Narrative (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 28, 2021	Mar. 29, 2020	Dec. 31, 2020
Leases [Abstract]
Operating lease right-of-use assets, net	$ 183,276		$ 191,370
Operating lease liabilities	183,636
Operating lease cost	$ 15,600	$ 14,100
Weighted average remaining lease term (in years)	6 years 8 months 12 days
Weighted average discount rate (as a percent)	6.20%
Cash payments for operating leases	$ 12,100