Goodwill and Other Intangible Assets - Weighted-Average Amortization Period by Major Class (Detail)	6 Months Ended
	Jul. 04, 2015
Finite-Lived Intangible Assets [Line Items]
Weighted-average Amortization (in years)	11 years
Customer relationships [Member]
Finite-Lived Intangible Assets [Line Items]
Weighted-average Amortization (in years)	15 years
Internally developed software [Member]
Finite-Lived Intangible Assets [Line Items]
Weighted-average Amortization (in years)	3 years
Patents [Member]
Finite-Lived Intangible Assets [Line Items]
Weighted-average Amortization (in years)	9 years
Trademarks [Member]
Finite-Lived Intangible Assets [Line Items]
Weighted-average Amortization (in years)	6 years
Other [Member]
Finite-Lived Intangible Assets [Line Items]
Weighted-average Amortization (in years)	39 years