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v3.25.3

Shareholders' Equity (Narrative) (Details) $ in Thousands |  |  |  |  | 12 Months Ended
--- | --- | --- | --- | --- | ---
Aug. 14, 2025 USD ($) | Aug. 11, 2025 USD ($) | May 31, 2025 USD ($) | Apr. 18, 2024 shares | Aug. 31, 2025 USD ($) shares | Aug. 31, 2024 USD ($) shares | Aug. 31, 2023 USD ($) shares
Class of Stock [Line Items] |  |  |  |  |  |  |
Excise tax, percent |  |  |  |  | 1 |  |
Shares of preferred stock authorized for issuance |  |  |  |  | 14,000,000.0 |  |
Preferred stock issued |  |  |  |  | 0 | 0 |
Preferred stock outstanding |  |  |  |  | 0 | 0 |
Purchase of treasury shares | $ |  |  |  |  | $ 26,374 | $ 30,749 | $ 35,555
Open market purchases, Shares |  |  |  | 50,000,000.0 | 791,152 | 524,548 | 867,873
Open market purchases, Cost | $ |  |  |  |  | $ 20,377 | $ 20,416 | $ 34,720
Upon Approval of Purchase Plan [Member] |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |
Purchase of treasury shares | $ | $ 10,000 | $ 50,000 |  |  | $ 3,300 |  |
Open market purchases, Shares |  |  |  |  | 167,753 |  |
Upon Approval Of Authorized Plan [Member] |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |
Purchase of treasury shares | $ |  |  | $ 22,100 |  |  |  |

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