XML 77 R62.htm IDEA: XBRL DOCUMENT v3.8.0.1
Foreign Currency Forward Contracts Outstanding with Notional Values (Detail) - Foreign Exchange Contract - USD ($)
Jan. 28, 2018
Jan. 29, 2017
Derivatives designated as hedging instruments | Cash Flow Hedging    
Derivative Instruments and Hedging Activities Disclosures [Line Items]    
Exchange of foreign currency contracts $ 28,200,000 $ 19,550,000
Not Designated as Hedging Instrument    
Derivative Instruments and Hedging Activities Disclosures [Line Items]    
Exchange of foreign currency contracts $ 46,000,000 $ 46,000,000