Leases - Lease Cost (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 28, 2020	Jun. 30, 2019	Jun. 28, 2020	Jun. 30, 2019
Leases [Abstract]
Operating cash flows from operating leases	$ 14,014	$ 9,240	$ 25,616	$ 18,814
Right-of-use assets obtained in exchange for lease obligations, operating leases	$ 36,210	$ 579	$ 100,424	$ 24,259
Weighted average remaining lease term, operating leases	6 years 4 months 24 days	6 years 6 months	6 years 4 months 24 days	6 years 6 months
Weighted average discount rate, operating lease	3.10%	4.40%	3.10%	4.40%