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Effect of Derivative Instruments in Condensed Consolidated Financial Statements (Detail) (USD $)
In Thousands, unless otherwise specified
 3 Months Ended 6 Months Ended
Aug. 04, 2013
Aug. 04, 2013
Derivative [Line Items]    
Net gain (loss) recognized in OCI $ 292 $ 123
Net gain (loss) reclassified from OCI into cost of goods sold 0 0
Net foreign exchange gain (loss) recognized in other income (expense), Instruments designated as cash flow hedges (29) [1] (42) [1]
Net foreign exchange gain (loss) recognized in other income (expense), Instruments not designated or de-designated during the period $ 222 [2] $ 222 [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 de-designated as cash flow hedges during the period, and changes in fair value related to instruments not designated as cash flow hedges