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Amounts Recorded within Accumulated Other Comprehensive Income Associated with Derivative Instruments (Detail) (Accumulated Net Gain (Loss) from Designated or Qualifying Cash Flow Hedges, USD $)
In Thousands, unless otherwise specified
3 Months Ended
May 04, 2014
May 05, 2013
Accumulated Net Gain (Loss) from Designated or Qualifying Cash Flow Hedges
   
Accumulated Other Comprehensive Income (Loss) [Line Items]    
AOCI beginning balance amount of gain $ 741 $ 0
Amounts recognized in OCI before reclassifications (224) (169)
Amounts reclassified from OCI into cost of goods sold (233) 0
AOCI ending balance amount of gain (loss) $ 284 $ (169)