Segment Reporting - Additional Information (Detail)	9 Months Ended
	Sep. 28, 2013	Sep. 29, 2012
Revenue, Major Customer [Line Items]
Number of reporting segments	5
Sales [Member] | Walmart [Member]
Revenue, Major Customer [Line Items]
Sales to major customer, percentage	29.90%	31.30%
Sales [Member] | Walmart [Member] | North America [Member]
Revenue, Major Customer [Line Items]
Sales to major customer, percentage	35.90%	36.30%
Sales [Member] | Walmart [Member] | United Kingdom [Member]
Revenue, Major Customer [Line Items]
Sales to major customer, percentage	14.10%	15.40%
Sales [Member] | Walmart [Member] | Mexico [Member]
Revenue, Major Customer [Line Items]
Sales to major customer, percentage	9.50%	21.70%