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Effect of Derivative Instruments in Condensed Consolidated Financial Statements (Detail) (USD $)
In Thousands, unless otherwise specified
 3 Months Ended
May 04, 2014
May 05, 2013
Derivative [Line Items]    
Net loss recognized in OCI $ (224) $ (169)
Net gain reclassified from OCI into cost of goods sold 233 0
Net foreign exchange loss recognized in other income (expense), Instruments designated as cash flow hedges (34) [1] (13) [1]
Net foreign exchange loss recognized in other income (expense), Instruments not designated or de-designated during the period $ 584 [2] $ 0 [2]
[1] Changes in fair value of the forward contract related to interest charges or "forward points"
[2] Changes in fair value subsequent to de-designation for instruments no longer designated as cash flow hedges, and changes in fair value related to instruments not designated as cash flow hedges