XML 51 R38.htm IDEA: XBRL DOCUMENT v3.20.2
Foreign Currency Forward Contracts Outstanding with Notional Values (Detail) - USD ($)
$ in Thousands
Aug. 02, 2020
Aug. 04, 2019
Foreign Exchange Contract | Derivatives designated as hedging instruments | Cash Flow Hedging    
Derivative Instruments and Hedging Activities Disclosures [Line Items]    
Exchange of foreign currency contracts $ 6,800 $ 6,000