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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. 03, 2014
Aug. 04, 2013
Aug. 03, 2014
Aug. 04, 2013
Derivative [Line Items]        
Net gain (loss) recognized in OCI $ 22 $ 292 $ (202) $ 123
Net gain reclassified from OCI into cost of goods sold 287 0 520 0
Net foreign exchange gain (loss) recognized in other income (expense), Instruments designated as cash flow hedges (53) [1] (29) [1] (87) [1] (42) [1]
Net foreign exchange gain (loss) recognized in other income (expense), Instruments not designated or de-designated during the period $ 36 [2] $ 222 [2] $ 620 [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 no longer designated as cash flow hedges, and changes in fair value related to instruments not designated as cash flow hedges.