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v3.23.1

Accumulated Other Comprehensive Loss - Amounts Reclassified out of Accumulated Other Comprehensive Loss (Detail) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Feb. 28, 2023 | Feb. 28, 2022 | Feb. 28, 2023 | Feb. 28, 2022
Reclassification Adjustment out of Accumulated Other Comprehensive Income on Derivatives [Line Items] |  |  |  |
Interest and foreign exchange | $ 21.6 | $ 11.8 | $ 41.2 | $ 24.4
Total before tax | (45.8) | (13.4) | (21.4) | (12.6)
Income tax expense | 11.9 | 3.2 | 8.1 | 1.8
Unrealized (Gain) Loss on Derivative Financial Instruments | Reclassification out of Accumulated Other Comprehensive loss |  |  |  |
Reclassification Adjustment out of Accumulated Other Comprehensive Income on Derivatives [Line Items] |  |  |  |
Total before tax | (2.3) | 1.5 | (3.1) | 3.0
Income tax expense | 0.7 | (0.2) | 1.0 | (0.7)
Net of tax | (1.6) | 1.3 | (2.1) | 2.3
Unrealized (Gain) Loss on Derivative Financial Instruments | Reclassification out of Accumulated Other Comprehensive loss | Foreign Exchange Contracts |  |  |  |
Reclassification Adjustment out of Accumulated Other Comprehensive Income on Derivatives [Line Items] |  |  |  |
Revenue and Cost of revenue | 0.1 | 0.2 | 0.3 | 0.4
Unrealized (Gain) Loss on Derivative Financial Instruments | Reclassification out of Accumulated Other Comprehensive loss | Interest rate swap contracts |  |  |  |
Reclassification Adjustment out of Accumulated Other Comprehensive Income on Derivatives [Line Items] |  |  |  |
Interest and foreign exchange | $ 2.4 | $ 1.3 | $ 3.4 | $ 2.6

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