Risk Management And Derivatives (Schedule Of Contract Net Amount Of All Purchase And Sale Contracts Of A Foreign Currency) (Details) (USD $) In Thousands, unless otherwise specified	May 04, 2013	Feb. 02, 2013	Apr. 28, 2012
Derivative [Line Items]
Net contract amount of all purchase and sale contracts of a foreign currency	$ 42,316	$ 40,636	$ 56,748
U.S. Dollars (Purchased By The Company's Canadian Division With Canadian Dollars) [Member]
Derivative [Line Items]
Net contract amount of all purchase and sale contracts of a foreign currency	17,869	18,442	21,924
Chinese Yuan [Member]
Derivative [Line Items]
Net contract amount of all purchase and sale contracts of a foreign currency	15,460	15,544	18,831
Euro [Member]
Derivative [Line Items]
Net contract amount of all purchase and sale contracts of a foreign currency	6,080	3,459	12,260
Japanese Yen [Member]
Derivative [Line Items]
Net contract amount of all purchase and sale contracts of a foreign currency	1,500	1,665	1,332
New Taiwanese Dollars [Member]
Derivative [Line Items]
Net contract amount of all purchase and sale contracts of a foreign currency	679	734	859
Great Britain Pounds Sterling [Member]
Derivative [Line Items]
Net contract amount of all purchase and sale contracts of a foreign currency		63	202
Other Currencies [Member]
Derivative [Line Items]
Net contract amount of all purchase and sale contracts of a foreign currency	$ 728	$ 729	$ 1,340