Segment Reporting - Additional Information (Detail)	12 Months Ended
	Dec. 28, 2013	Dec. 29, 2012	Dec. 31, 2011
Revenue, Major Customer [Line Items]
Number of reporting segments	3
Number of combined reporting segments	1
Sales [Member] | Walmart [Member]
Revenue, Major Customer [Line Items]
Sales to major customer, percentage	30.10%	31.00%	31.60%
Sales [Member] | Walmart [Member] | North America [Member]
Revenue, Major Customer [Line Items]
Sales to major customer, percentage	36.10%	36.30%	35.90%
Sales [Member] | Walmart [Member] | United Kingdom [Member]
Revenue, Major Customer [Line Items]
Sales to major customer, percentage	14.80%	14.90%	14.60%
Sales [Member] | Walmart [Member] | All Other [Member]
Revenue, Major Customer [Line Items]
Sales to major customer, percentage	3.90%	12.00%	30.00%