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Segment Information - Reconciliation of Earnings from Operations to Earnings Before Income Tax and Earnings from Unconsolidated Affiliates (Detail) - USD ($) $ in Millions	12 Months Ended
	Aug. 31, 2024	Aug. 31, 2023	Aug. 31, 2022
Segment Reporting [Abstract]
Earnings from operations	$ 324.5	$ 176.4	$ 118.0
Interest and foreign exchange	100.8	85.4	57.4
Earnings before income tax and earnings from unconsolidated affiliates	$ 223.7	$ 91.0	$ 60.6

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Amount of income (loss) from continuing operations before deduction of income tax expense (benefit) and income (loss) attributable to noncontrolling interest, and addition of income (loss) from equity method investments.

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The net result for the period of deducting operating expenses from operating revenues.

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