Goodwill and Intangible Assets, net - Intangible Assets, net (Details) - USD ($) $ in Thousands	Mar. 28, 2021	Dec. 31, 2020
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 417,400	$ 417,400
Accumulated Amortization	(171,405)	(159,190)
Total	245,995	258,210
Customer relationships
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	390,900	390,900
Accumulated Amortization	(160,640)	(149,163)
Total	230,260	241,737
Technology
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	1,700	1,700
Accumulated Amortization	(1,700)	(1,700)
Total	0	0
Trade name
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	24,800	24,800
Accumulated Amortization	(9,065)	(8,327)
Total	$ 15,735	$ 16,473