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Effect of Derivative Instruments Designated as Cash Flow Hedges (Detail) (USD $)
In Thousands, unless otherwise specified
3 Months Ended
May 05, 2013
Derivative [Line Items]  
Net gain (loss) recognized in OCI $ (169) [1]
Net gain (loss) reclassified from OCI into cost of goods sold 0 [1]
Net foreign exchange gain (loss) recognized in other income (expense) $ (13) [2]
[1] Effective portion
[2] Amount excluded from assessment of hedge effectiveness