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Derivatives and Hedging - Financial Statement Impact of Derivatives (Details) - USD ($) $ in Thousands | 3 Months Ended
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Oct. 31, 2021 | Oct. 31, 2020
Not designated as hedging instrument |  |
Gain (Loss) recognized in Other Comprehensive Income, net of tax |  |
Total gain (loss) | $ 2,355 | $ 3,332
Foreign currency forward contracts | Not designated as hedging instrument |  |
Gain (Loss) recognized in Other Comprehensive Income, net of tax |  |
Total gain (loss) | (141) | 0
Interest rate swap agreements |  |
Gain (Loss) recognized in Other Comprehensive Income, net of tax |  |
Other comprehensive income (loss), before reclassification | 607 | 558
Interest rate swap agreements | Not designated as hedging instrument |  |
Gain (Loss) recognized in Other Comprehensive Income, net of tax |  |
Total gain (loss) | 2,496 | 3,332
Sales |  |
Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net [Abstract] |  |
Total gain (loss) | (13) | 0
Sales | Foreign currency forward contracts | Designated as hedging instrument | Cash Flow Hedges |  |
Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net [Abstract] |  |
Gain (Loss) Reclassified from AOCI, Net of Tax | (13) | 0
Sales | Interest rate swap agreements |  |
Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net [Abstract] |  |
Amount of loss recognized in income, net of tax | 0 | 0
Sales | Interest rate swap agreements | Designated as hedging instrument | Cash Flow Hedges |  |
Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net [Abstract] |  |
Gain (Loss) Reclassified from AOCI, Net of Tax | 0 | 0
Interest expense |  |
Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net [Abstract] |  |
Total gain (loss) | (1,802) | (2,812)
Interest expense | Foreign currency forward contracts | Designated as hedging instrument | Cash Flow Hedges |  |
Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net [Abstract] |  |
Gain (Loss) Reclassified from AOCI, Net of Tax | 0 | 0
Interest expense | Interest rate swap agreements |  |
Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net [Abstract] |  |
Amount of loss recognized in income, net of tax | 87 | (38)
Interest expense | Interest rate swap agreements | Designated as hedging instrument | Cash Flow Hedges |  |
Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net [Abstract] |  |
Gain (Loss) Reclassified from AOCI, Net of Tax | $ (1,889) | $ (2,774)

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