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Effect of Derivative Instruments in Condensed Consolidated Financial Statements (Detail) (USD $)
In Thousands, unless otherwise specified
 3 Months Ended 9 Months Ended
Nov. 02, 2014
Nov. 03, 2013
Nov. 02, 2014
Nov. 03, 2013
Derivative [Line Items]        
Net gain recognized in OCI $ 472 $ 119 $ 270 $ 242
Net gain reclassified from OCI into cost of goods sold 7 31 527 31
Net foreign exchange gain (loss) recognized in other income (expense), Instruments designated as cash flow hedges (36) [1] (36) [1] (123) [1] (78) [1]
Net foreign exchange gain (loss) recognized in other income (expense), Instruments not designated or de-designated during the period $ (482) [2] $ (291) [2] $ 138 [2] $ (69) [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.