Description of Business - Additional Information (Detail) - Direct-to-Consumer Products [Member]	12 Months Ended
	Jan. 02, 2016 Route Vehicle Customer
Business And Basis Of Presentation [Line Items]
Number of routes | Route	2,000
Number of Vehicles | Vehicle	2,000
Minimum [Member]
Business And Basis Of Presentation [Line Items]
Number of customers | Customer	1,500,000
Commercial [Member]
Business And Basis Of Presentation [Line Items]
Percentage of Customer	60.00%
Residential [Member]
Business And Basis Of Presentation [Line Items]
Percentage of Customer	40.00%