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Segment Information - Reconciliation of Earnings (Loss) from Operations to Earnings Before Income Tax and Earnings from Unconsolidated Affiliates (Detail) - USD ($) $ in Millions	3 Months Ended
	Nov. 30, 2023	Nov. 30, 2022
Segment Reporting [Abstract]
Earnings (loss) from operations	$ 64.9	$ (4.8)
Interest and foreign exchange	23.2	19.6
Earnings (loss) before income tax and earnings from unconsolidated affiliates	$ 41.7	$ (24.4)

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Interest and Foreign Exchange, Net

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- Definition

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.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 944
-SubTopic 220
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
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- Definition

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

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