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Treasury Stock - Narrative (Details) - USD ($) $ in Millions | 10 Months Ended | 12 Months Ended
--- | --- | ---
May 31, 2024 | May 31, 2025 | May 31, 2024 | May 31, 2023
Equity, Class of Treasury Stock [Line Items] |  |  |  |
Total current Board authorizations |  | $ 174.2 |  |
Less repurchases made under the authorizations as of May 31, 2025 | $ 104.2 | 70.9 | $ 156.8 | $ 135.1
Excise tax on stock repurchased |  | $ 0.9 |  |
Employee Stock |  |  |  |
Equity, Class of Treasury Stock [Line Items] |  |  |  |
Common stock remaining authorized (in shares) |  | 460,053 |  |

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- Definition Amount authorized for purchase of share under share repurchase plan. Includes, but is not limited to, repurchase of stock and unit of ownership. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 505 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 4 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481520/505-30-50-4 + Details
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