Leases - Other Lease Information (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 27, 2021	Jun. 28, 2020	Jun. 27, 2021	Jun. 28, 2020	Dec. 31, 2020
Leases [Abstract]
Cash outflows for amounts included in the measurement of lease liabilities	$ 10,777	$ 5,242	$ 15,723	$ 10,619
ROU assets obtained in exchange for lease obligations, net of modifications	$ 895	$ 1,096	$ 6,200	$ 1,653
Weighted-average remaining lease term	3 years 9 months 3 days	4 years 10 days	3 years 9 months 3 days	4 years 10 days	3 years 9 months 10 days
Weighted-average discount rate	2.70%	3.30%	2.70%	3.30%	3.10%