Leases - Narrative (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
	Jun. 28, 2020	Jun. 28, 2020	Jun. 30, 2019	Dec. 31, 2019
Leases [Abstract]
Operating lease right-of-use assets, net	$ 154,375	$ 154,375		$ 162,184
Operating lease liabilities	$ 157,398	157,398
Operating lease cost		$ 14,300	$ 28,400
Weighted average remaining lease term (in years)	6 years 11 months 12 days	6 years 11 months 12 days
Weighted average discount rate (as a percent)	7.30%	7.30%
Cash payments for operating leases	$ 10,600	$ 21,200