Fair Value of Financial Instruments - Additional Information (Detail) - USD ($)	3 Months Ended
	Apr. 03, 2016	Jan. 03, 2016	Mar. 29, 2015
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Acquisition related contingent consideration	$ 177,933,000		$ 98,505,000
Fair value adjustment of acquisition related contingent consideration	17,151,000		5,089,000
Fair Value, Assets, Level 1 to Level 2 Transfers, Amount	0		0
Fair Value, Assets, Level 2 to Level 1 Transfers, Amount	0		0
Fair Value, Liabilities, Level 1 to Level 2 Transfers, Amount	0		0
Fair Value, Liabilities, Level 2 to Level 1 Transfers, Amount	0		0
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers, Net	0		0
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Transfers, Net	$ 0		$ 0
Distribution Agreements [Member] | Maximum [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Estimated useful life	40 years	40 years	40 years