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Income Taxes (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Feb. 28, 2026 | Feb. 28, 2025 | Feb. 28, 2026 | Feb. 28, 2025 | May 31, 2025
Income Tax Disclosure [Abstract] |  |  |  |  |
Unrecognized tax benefits | $ 50.8 |  | $ 50.8 |  | $ 47.8
Effective tax rate | 20.60% | 21.00% | 19.80% | 19.20% |

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