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Derivative Financial Instruments - Additional Information (Detail) - USD ($)
3 Months Ended 6 Months Ended
Aug. 02, 2015
Aug. 03, 2014
Aug. 02, 2015
Aug. 03, 2014
Derivative [Line Items]        
Reclassification from OCI to cost of goods sold $ 981,000   $ 981,000  
Gain or loss recognized for cash flow hedges due to hedge ineffectiveness $ 0 $ 0 $ 0 $ 0