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Derivatives and Hedging - Financial Statement Impact of Derivatives (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jan. 31, 2022 | Jan. 31, 2021 | Jan. 31, 2022 | Jan. 31, 2021
Gain (Loss) recognized in Other Comprehensive Income, net of tax |  |  |  |
Total gain (loss) | $ 2,129 | $ 2,351 | $ 4,484 | $ 5,683
Foreign currency forward contracts |  |  |  |
Gain (Loss) recognized in Other Comprehensive Income, net of tax |  |  |  |
Total gain (loss) | (479) | (66) | (620) | (66)
Interest rate swap agreements |  |  |  |
Gain (Loss) recognized in Other Comprehensive Income, net of tax |  |  |  |
Total gain (loss) | 2,608 | 2,417 | 5,104 | 5,749
Other comprehensive income (loss), before reclassification | 795 | (206) | 1,402 | 352
Sales |  |  |  |
Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net [Abstract] |  |  |  |
Total gain (loss) | (271) | 7 | (284) | 7
Sales | Foreign currency forward contracts | 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 | (271) | 7 | (284) | 7
Sales | Interest rate swap agreements |  |  |  |
Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net [Abstract] |  |  |  |
Gain ( loss) recognized in income, net of tax | 0 | 0 | 0 | 0
Sales | Interest rate swap agreements | 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 | 0 | 0
Interest expense |  |  |  |
Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net [Abstract] |  |  |  |
Total gain (loss) | (1,811) | (2,631) | (3,613) | (5,443)
Interest expense | Foreign currency forward contracts | 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 | 0 | 0
Interest expense | Interest rate swap agreements |  |  |  |
Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net [Abstract] |  |  |  |
Gain ( loss) recognized in income, net of tax | 2 | (8) | 89 | (46)
Interest expense | Interest rate swap agreements | 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 | $ (1,813) | $ (2,623) | $ (3,702) | $ (5,397)

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