Risk Management And Derivatives (Schedule Of Contract Notional Amount Of All Purchase And Sale Contracts Of A Foreign Currency) (Details) - Forward Contracts [Member] - USD ($) $ in Thousands	Apr. 30, 2016	Jan. 30, 2016	May. 02, 2015
Derivative [Line Items]
Notional contract amount of all purchase and sale contracts of a foreign currency	$ 47,751	$ 47,118	$ 48,005
U.S. Dollars (Purchased By The Company's Canadian Division With Canadian Dollars) [Member]
Derivative [Line Items]
Notional contract amount of all purchase and sale contracts of a foreign currency	15,767	14,118	17,635
Euro [Member]
Derivative [Line Items]
Notional contract amount of all purchase and sale contracts of a foreign currency	15,182	15,499	16,449
Chinese Yuan [Member]
Derivative [Line Items]
Notional contract amount of all purchase and sale contracts of a foreign currency	14,066	14,623	10,978
Japanese Yen [Member]
Derivative [Line Items]
Notional contract amount of all purchase and sale contracts of a foreign currency	1,152	1,159	1,483
United Arab Emirates, Dirhams
Derivative [Line Items]
Notional contract amount of all purchase and sale contracts of a foreign currency	900	930	932
Taiwan, New Dollars
Derivative [Line Items]
Notional contract amount of all purchase and sale contracts of a foreign currency	514	570	528
Other Currencies [Member]
Derivative [Line Items]
Notional contract amount of all purchase and sale contracts of a foreign currency	$ 170	$ 219	$ 0