Segment Reporting - Additional Information (Detail)	3 Months Ended
	Apr. 04, 2015 Location Segment Route SalesAndDistributionFacilties	Mar. 29, 2014 Segment
Revenue, Major Customer [Line Items]
Number of reporting segments	4	3
Number of customer locations	1,500,000
Number of sales and distribution facility	200
Number of routes	2,100
Customer Concentration Risk [Member] | Sales [Member] | Walmart [Member]
Revenue, Major Customer [Line Items]
Concentration risk	18.60%	28.60%
Customer Concentration Risk [Member] | Sales [Member] | Walmart [Member] | All Other [Member]
Revenue, Major Customer [Line Items]
Concentration risk	4.80%	0.30%
Customer Concentration Risk [Member] | Sales [Member] | Walmart [Member] | DSS Group Inc [Member]
Revenue, Major Customer [Line Items]
Concentration risk	2.60%
Customer Concentration Risk [Member] | Sales [Member] | Walmart [Member] | North America [Member]
Revenue, Major Customer [Line Items]
Concentration risk	34.00%	34.70%
Customer Concentration Risk [Member] | Sales [Member] | Walmart [Member] | United Kingdom [Member]
Revenue, Major Customer [Line Items]
Concentration risk	11.60%	14.20%