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Derivative Instruments (Tables) | 12 Months Ended
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Aug. 31, 2025
Derivative Instruments and Hedging Activities Disclosure [Abstract] |
Fair Values of Derivative Instruments | Fair Values of Derivative Instruments
|  | Asset Derivatives |  |  | Liability Derivatives |
|  |  |  | August 31, |  |  |  |  | August 31, |
|  |  |  | 2025 |  |  | 2024 |  |  |  |  | 2025 |  |  | 2024 |
(In millions) |  | Balance sheet caption |  | Fair Value |  |  | Fair Value |  |  | Balance sheet caption |  | Fair Value |  |  | Fair Value |
Derivatives designated as hedging instruments |  |  |  |  |  |  |  |  |
Foreign exchange contracts |  | Accounts receivable, net |  | $ | 5.4 |  |  | $ | 4.3 |  |  | Accounts payable and accrued liabilities |  | $ | 2.9 |  |  | $ | 0.1 |
Interest rate swap contracts |  | Accounts receivable, net |  |  | 13.6 |  |  |  | 19.7 |  |  | Accounts payable and accrued liabilities |  |  | 0.7 |  |  |  | 1.3 |
|  |  |  | $ | 19.0 |  |  | $ | 24.0 |  |  |  |  | $ | 3.6 |  |  | $ | 1.4 |
Effect of Derivative Instruments on Accumulated Other Comprehensive Loss and Statements of Income | The Effect of Derivative Instruments on Accumulated Other Comprehensive Loss
Derivatives in cash flow hedging relationships |  | Gain (loss) recognized in Other comprehensive income (loss) Year ended August 31, |  |  | Location of gain (loss) reclassified from AOCL into income |  | Gain (loss) reclassified from AOCL into income Year ended August 31, |
(In millions) |  | 2025 |  |  | 2024 |  |  | 2023 |  |  |  |  | 2025 |  |  | 2024 |  |  | 2023 |
Foreign exchange contracts |  | $ | 1.5 |  |  | $ | 3.4 |  |  | $ | 5.6 |  |  | Revenue |  | $ | 3.9 |  |  | $ | 2.5 |  |  | $ | (0.2 | )
Foreign exchange contracts |  |  | 0.1 |  |  |  | (0.6 | ) |  |  | 2.0 |  |  | Cost of revenue |  |  | 0.1 |  |  |  | (0.5 | ) |  |  | 2.2 |
Interest rate swap contracts |  |  | 6.9 |  |  |  | 0.4 |  |  |  | 24.8 |  |  | Interest and foreign exchange |  |  | 12.8 |  |  |  | 16.7 |  |  |  | 10.8 |
|  | $ | 8.5 |  |  | $ | 3.2 |  |  | $ | 32.4 |  |  |  |  | $ | 16.8 |  |  | $ | 18.7 |  |  | $ | 12.8 |
The Effect of Derivative Instruments on the Consolidated Statements of Income
Derivatives in cash flow hedging relationships |  | Location of gain (loss) |  | Gain (loss) recognized in income on derivatives Year ended August 31, |
(In millions) |  |  |  | 2025 |  |  | 2024 |  |  | 2023 |
Foreign exchange contracts |  | Interest and foreign exchange |  | $ | (0.3 | ) |  | $ | 0.1 |  |  | $ | — |
Effects of Cash Flow Hedges Included in Statements of Income | The following table presents the location and amounts in the Consolidated Statements of Income in which the effects of derivatives in cash flow hedging relationships were recorded:
|  | For the Year Ended August 31, |
(In millions) |  | 2025 |  |  | 2024 |  |  | 2023 |
Total Revenue |  | $ | 3,240.2 |  |  | $ | 3,544.7 |  |  | $ | 3,944.0 |
Gain (loss) on cash flow hedges in Revenue |  |  |  |  |  |  |  |  |
Foreign exchange contracts: |  |  |  |  |  |  |  |  |
Gain (loss) reclassified from AOCL |  | $ | 3.9 |  |  | $ | 2.5 |  |  | $ | (0.2 | )
Amount excluded from effectiveness testing |  | $ | 3.1 |  |  | $ | 2.5 |  |  | $ | 2.0 |
Total Cost of revenue |  | $ | 2,632.7 |  |  | $ | 2,986.2 |  |  | $ | 3,502.9 |
Gain (loss) on cash flow hedges in Cost of revenue |  |  |  |  |  |  |  |  |
Foreign exchange contracts: |  |  |  |  |  |  |  |  |
Gain (loss) reclassified from AOCL |  | $ | 0.1 |  |  | $ | (0.5 | ) |  | $ | 2.2 |
Amount excluded from effectiveness testing |  | $ | — |  |  | $ | 0.9 |  |  | $ | 0.6 |
Total Interest and foreign exchange |  | $ | 75.7 |  |  | $ | 100.8 |  |  | $ | 85.4 |
Gain (loss) on cash flow hedges in Interest and foreign exchange |  |  |  |  |  |  |  |  |
Interest rate swap contracts: |  |  |  |  |  |  |  |  |
Gain reclassified from AOCL |  | $ | 12.8 |  |  | $ | 16.7 |  |  | $ | 10.8 |

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