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Derivative Instruments - Additional Information (Detail) $ in Millions	6 Months Ended
	Feb. 28, 2022 USD ($)
Foreign Exchange Contracts
Derivative [Line Items]
Aggregate derivative notional amount	$ 122.0
Amount reclassified to revenue or cost of revenue in the next year	4.4
Interest rate swap contracts
Derivative [Line Items]
Unrealized pre-tax gain (loss) that would be reclassified to interest expense in the next year	3.6
Interest rate swap contracts | Derivatives maturing from September 2023 through January 2032
Derivative [Line Items]
Aggregate derivative notional amount	$ 315.9
Interest rate swap contracts | Derivatives maturing from September 2023 through January 2032 | Minimum
Derivative [Line Items]
Maturity date	2023-09
Interest rate swap contracts | Derivatives maturing from September 2023 through January 2032 | Maximum
Derivative [Line Items]
Maturity date	2032-01

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 30
-Section 50
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The estimated net amount of unrealized gains or losses on foreign currency cash flow hedges at the reporting date expected to be reclassified to earnings within the next 12 months.

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