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Interim Financial Statements - Additional Information (Detail) - USD ($)	3 Months Ended
	Nov. 30, 2023	Nov. 30, 2022
Equity Class Of Treasury Stock [Line Items]
Stock repurchased authorized amount	$ 100,000,000
Remaining authorized repurchase amount	$ 45,100,000
Number of shares repurchased	38,000	0
Number of shares repurchased amount	$ 1,300,000	$ 0
Share repurchase program expiration date	Jan. 31, 2025

Number of shares that have been repurchased during the period and have not been retired and are not held in treasury. Some state laws may govern the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock.

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- Definition

Equity impact of the value of stock that has been repurchased during the period and has not been retired and is not held in treasury. Some state laws may mandate the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock.

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