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Derivative Financial Instruments (Details) (Foreign Exchange Forward, Not Designated as Hedging Instrument, USD $)
In Thousands, unless otherwise specified
Apr. 28, 2012
Jan. 28, 2012
Apr. 30, 2011
Foreign Exchange Forward | Not Designated as Hedging Instrument
     
Fair Value of Derivative Financial Instruments      
Asset Derivatives   $ 14 $ 207
Liability Derivatives $ 548 $ 142 $ 1,371