Enterprise-Wide Disclosures - Additional Information (Detail)	12 Months Ended
	Dec. 30, 2012 Country Customer	Jan. 01, 2012	Jan. 02, 2011
Enterprise Wide Disclosures [Line Items]
Number of unaffiliated customer	0
Unaffiliated customer accounted for sales	10.00%
Number of countries represented more than ten percent of the company's net sales	0
Percentage of sales in foreign markets	55.00%	58.00%	58.00%