Other Identifiable Intangible Assets - Other Identifiable Intangible Assets (Detail) - USD ($) $ in Thousands	12 Months Ended
	Jan. 01, 2017	Jan. 03, 2016	Dec. 28, 2014
Finite Lived Intangible Assets [Line Items]
Other identifiable intangible assets, cost	$ 258,424	$ 144,447
Accumulated amortization	13,009	7,999
Total other identifiable intangible assets, net	245,415	136,448	$ 57,148
Distribution Agreements [Member]
Finite Lived Intangible Assets [Line Items]
Other identifiable intangible assets, cost	242,486	133,109
Accumulated amortization	7,498	3,323
Total other identifiable intangible assets, net	$ 234,988	$ 129,786	53,841
Distribution Agreements [Member] | Minimum [Member]
Finite Lived Intangible Assets [Line Items]
Estimated useful life	20 years	20 years
Distribution Agreements [Member] | Maximum [Member]
Finite Lived Intangible Assets [Line Items]
Estimated useful life	40 years	40 years
Customer Lists and Other Identifiable Intangible Assets [Member]
Finite Lived Intangible Assets [Line Items]
Other identifiable intangible assets, cost	$ 15,938	$ 11,338
Accumulated amortization	5,511	4,676
Total other identifiable intangible assets, net	$ 10,427	$ 6,662	$ 3,307
Customer Lists and Other Identifiable Intangible Assets [Member] | Minimum [Member]
Finite Lived Intangible Assets [Line Items]
Estimated useful life	12 years	12 years
Customer Lists and Other Identifiable Intangible Assets [Member] | Maximum [Member]
Finite Lived Intangible Assets [Line Items]
Estimated useful life	20 years	20 years