Other Identifiable Intangible Assets - Other Identifiable Intangible Assets (Detail) - USD ($) $ in Thousands	9 Months Ended		12 Months Ended
	Oct. 02, 2016	Sep. 27, 2015	Jan. 03, 2016
Finite Lived Intangible Assets [Line Items]
Other identifiable intangible assets, cost	$ 170,893	$ 109,397	$ 144,447
Accumulated amortization	11,486	7,309	7,999
Total other identifiable intangible assets, net	159,407	102,088	136,448
Distribution Agreements [Member]
Finite Lived Intangible Assets [Line Items]
Other identifiable intangible assets, cost	157,555	99,209	133,109
Accumulated amortization	6,222	2,791	3,323
Total other identifiable intangible assets, net	$ 151,333	$ 96,418	$ 129,786
Distribution Agreements [Member] | Minimum [Member]
Finite Lived Intangible Assets [Line Items]
Estimated useful life	20 years	20 years	20 years
Distribution Agreements [Member] | Maximum [Member]
Finite Lived Intangible Assets [Line Items]
Estimated useful life	40 years	40 years	40 years
Customer Lists and Other Identifiable Intangible Assets [Member]
Finite Lived Intangible Assets [Line Items]
Other identifiable intangible assets, cost	$ 13,338	$ 10,188	$ 11,338
Accumulated amortization	5,264	4,518	4,676
Total other identifiable intangible assets, net	$ 8,074	$ 5,670	$ 6,662
Customer Lists and Other Identifiable Intangible Assets [Member] | Minimum [Member]
Finite Lived Intangible Assets [Line Items]
Estimated useful life	12 years	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	20 years