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Fair Values of Derivative Instruments (Detail) - USD ($)
$ in Thousands
Jan. 28, 2018
Jan. 29, 2017
Other Current Assets    
Derivatives, Fair Value [Line Items]    
Derivatives designated as cash flow hedges, Assets   $ 241
Derivatives not designated as hedging instruments, Assets   111
Other Long-Term Assets    
Derivatives, Fair Value [Line Items]    
Derivatives designated as cash flow hedges, Assets   21
Other Current Liabilities    
Derivatives, Fair Value [Line Items]    
Derivatives designated as cash flow hedges, Liabilities $ (635) $ (230)
Derivatives not designated as hedging instruments, Liabilities (299)  
Other Long Term Liabilites    
Derivatives, Fair Value [Line Items]    
Derivatives designated as cash flow hedges, Liabilities $ (54)