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DERIVATIVES AND HEDGING - Fair Value of Our Derivative Instruments and the Associated Notional Amounts (Details) - Designated as Hedging Instrument £ in Thousands, $ in Thousands | Jul. 31, 2021 USD ($) | Jul. 31, 2021 GBP (£) | Jul. 31, 2020 USD ($)
--- | --- | --- | ---
Derivative [Line Items] |  |  |
Notional | $ 524,037 |  | $ 673,400
Fair Value in Other Current Liabilities | 11,508 |  | 24,840
Foreign currency forward contracts |  |  |
Derivative [Line Items] |  |  |
Notional | 41,899 | £ 30,000 | 0
Fair Value in Other Current Liabilities | 88 |  | 0
Interest rate swap agreements |  |  |
Derivative [Line Items] |  |  |
Notional | 482,138 |  | 673,400
Fair Value in Other Current Liabilities | $ 11,420 |  | $ 24,840

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