Segment Reporting - Additional Information (Detail)	3 Months Ended
	Mar. 30, 2013	Mar. 31, 2012
Revenue, Major Customer [Line Items]
Number of reporting segments	5
Walmart [Member]
Revenue, Major Customer [Line Items]
Sales to major customer, percentage	32.80%	31.60%
Walmart [Member] | North America [Member]
Revenue, Major Customer [Line Items]
Sales to major customer, percentage	37.80%	36.00%
Walmart [Member] | United Kingdom [Member]
Revenue, Major Customer [Line Items]
Sales to major customer, percentage	16.50%	16.80%
Walmart [Member] | Mexico [Member]
Revenue, Major Customer [Line Items]
Sales to major customer, percentage	13.30%	24.40%