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Foreign Currency Forward Contracts Outstanding with Notional Values (Detail) - USD ($) $ in Thousands | Aug. 02, 2020 | Aug. 04, 2019
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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

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