Geographic Information and Concentration of Risk (Summary Of Sales Activity To Countries That Represented Greater Than 10% Of Total Net Sales) (Details) (Sales Revenue, Goods, Net [Member])	3 Months Ended		9 Months Ended
	Oct. 28, 2012	Oct. 30, 2011	Oct. 28, 2012	Oct. 30, 2011
Geographic Information And Concentration Of Risk [Line Items]
Concentration risk, percentage	100.00%	100.00%	100.00%	100.00%
Minimum concentration risk threshold	10.00%
United States [Member]
Geographic Information And Concentration Of Risk [Line Items]
Concentration risk, percentage	20.00%	18.00%	18.00%	21.00%
China (Including Hong Kong) [Member]
Geographic Information And Concentration Of Risk [Line Items]
Concentration risk, percentage	34.00%	37.00%	36.00%	37.00%