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Treasury Stock - Narrative (Details) - USD ($) $ / shares in Units, $ in Millions |  | 12 Months Ended | 26 Months Ended
--- | --- | --- | ---
Mar. 23, 2026 | May 31, 2026 | May 31, 2025 | May 31, 2024 | May 31, 2026
Equity, Class of Treasury Stock [Line Items] |  |  |  |  |
Remaining Board authorization at May 31, 2026 |  | $ 183.0 |  |  | $ 183.0
Less repurchases made under the authorizations as of May 31, 2026 |  | 268.6 | $ 70.9 | $ 156.8 | 302.0
March 2026 Share Repurchase Program |  |  |  |  |
Equity, Class of Treasury Stock [Line Items] |  |  |  |  |
Remaining Board authorization at May 31, 2026 |  | $ 297.0 |  |  | 297.0
Shares of stock repurchased (in shares) | 2,834,018 |  |  |  |
Average cost of stock repurchased (in dollars per share) | $ 40.00 |  |  |  |
Treasury stock, value, acquired, cost method, including fees | $ 115.6 |  |  |  |
Board Authorized Share Repurchase Program |  |  |  |  |
Equity, Class of Treasury Stock [Line Items] |  |  |  |  |
Shares of stock repurchased (in shares) |  | 4,502,948 |  |  |
Less repurchases made under the authorizations as of May 31, 2026 |  | $ 150.6 |  |  |
Excise tax on stock repurchased |  | $ 2.4 |  |  | $ 2.4
Employee Stock |  |  |  |  |
Equity, Class of Treasury Stock [Line Items] |  |  |  |  |
Common stock remaining authorized (in shares) |  | 371,625 |  |  | 371,625

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