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v3.24.1

Comprehensive Income - Schedule of Changes in Components of Accumulated Other Comprehensive Income (Loss) (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Feb. 29, 2024 | Nov. 30, 2023 | Feb. 28, 2023 | Nov. 30, 2022 | Feb. 29, 2024 | Feb. 28, 2023
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward] |  |  |  |  |  |
Beginning balance | $ 2,064.1 | $ 2,015.4 | $ 1,903.5 | $ 1,911.8 | $ 2,015.4 | $ 1,911.8
Other comprehensive loss before reclassifications |  |  |  |  | (1.4) | (2.6)
Amounts reclassified from accumulated other comprehensive loss |  |  |  |  | 1.3 | 2.1
Net current period other comprehensive (loss) income | 1.4 | (1.5) | (0.1) | (0.4) | (0.1) | (0.5)
Ending balance | 2,149.6 | 2,064.1 | 1,947.6 | 1,903.5 | 2,149.6 | 1,947.6
Accumulated Other Comprehensive Loss |  |  |  |  |  |
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward] |  |  |  |  |  |
Beginning balance | (114.1) | (112.6) | (126.2) | (125.8) | (112.6) | (125.8)
Net current period other comprehensive (loss) income | 1.4 | (1.5) | (0.1) | (0.4) |  |
Ending balance | (112.7) | (114.1) | (126.3) | (126.2) | (112.7) | (126.3)
Foreign Currency Items |  |  |  |  |  |
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward] |  |  |  |  |  |
Beginning balance |  | (65.0) |  | (73.5) | (65.0) | (73.5)
Other comprehensive loss before reclassifications |  |  |  |  | (1.4) | (2.6)
Amounts reclassified from accumulated other comprehensive loss |  |  |  |  | 0.0 | 0.0
Net current period other comprehensive (loss) income |  |  |  |  | (1.4) | (2.6)
Ending balance | (66.4) |  | (76.1) |  | (66.4) | (76.1)
Defined Benefit Pension Plans |  |  |  |  |  |
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward] |  |  |  |  |  |
Beginning balance |  | $ (47.6) |  | $ (52.3) | (47.6) | (52.3)
Other comprehensive loss before reclassifications |  |  |  |  | 0.0 | 0.0
Amounts reclassified from accumulated other comprehensive loss |  |  |  |  | 1.3 | 2.1
Net current period other comprehensive (loss) income |  |  |  |  | 1.3 | 2.1
Ending balance | $ (46.3) |  | $ (50.2) |  | $ (46.3) | $ (50.2)

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