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Derivative Financial Instruments - Additional Information (Detail) - USD ($)
3 Months Ended 6 Months Ended
Jul. 29, 2018
Jul. 30, 2017
Jul. 29, 2018
Jul. 30, 2017
Derivative [Line Items]        
Reclassification from OCI to cost of goods sold $ 846,000   $ 846,000  
Gain or loss recognized for cash flow hedges due to hedge ineffectiveness $ 0 $ 0 $ 0 $ 0