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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 |

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