Goodwill and Other Intangibles - Additional Information (Detail) - USD ($)		3 Months Ended		6 Months Ended
	Jul. 02, 2018	Jun. 29, 2019	Jun. 30, 2018	Jun. 29, 2019	Jun. 30, 2018
Other Intangible Assets [Line Items]
Amortization expense		$ 10,000,000	$ 10,000,000	$ 20,000,000	$ 20,000,000
Indefinite-lived intangible assets, impairment	$ 0
Customer Relationship | Minimum
Other Intangible Assets [Line Items]
Estimated useful lives of intangible assets (in years)				2 years
Customer Relationship | Maximum
Other Intangible Assets [Line Items]
Estimated useful lives of intangible assets (in years)				5 years
Noncompete Agreements | Minimum
Other Intangible Assets [Line Items]
Estimated useful lives of intangible assets (in years)				2 years
Noncompete Agreements | Maximum
Other Intangible Assets [Line Items]
Estimated useful lives of intangible assets (in years)				5 years