Goodwill and Intangible Assets, net - Narrative (Details) - USD ($)	3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 28, 2020	Jun. 30, 2019	Jun. 28, 2020	Jun. 30, 2019	Dec. 31, 2019
Finite-Lived Intangible Assets [Line Items]
Goodwill impairment	$ 0		$ 0
Amortization of intangible assets	$ 8,047,000	$ 8,196,000	$ 16,094,000	$ 16,853,000
Customer relationships | Weighted Average
Finite-Lived Intangible Assets [Line Items]
Useful life of finite-lived intangible assets (in years)			7 years 2 months 12 days		7 years 10 months 24 days
Trade name | Weighted Average
Finite-Lived Intangible Assets [Line Items]
Useful life of finite-lived intangible assets (in years)			5 years 6 months		6 years