Goodwill and Other Intangible Assets - Weighted-Average Amortization Period by Major Class (Detail)	6 Months Ended
	Jul. 01, 2017
Finite-Lived Intangible Assets [Line Items]
Weighted-average amortization period (in years)	11 years
Customer relationships [Member]
Finite-Lived Intangible Assets [Line Items]
Weighted-average amortization period (in years)	15 years
Internally developed software [Member]
Finite-Lived Intangible Assets [Line Items]
Weighted-average amortization period (in years)	3 years
Patents [Member]
Finite-Lived Intangible Assets [Line Items]
Weighted-average amortization period (in years)	8 years
Trademarks [Member]
Finite-Lived Intangible Assets [Line Items]
Weighted-average amortization period (in years)	6 years
Other [Member]
Finite-Lived Intangible Assets [Line Items]
Weighted-average amortization period (in years)	39 years