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Income Taxes (Narrative) (Details) - USD ($) $ in Millions | 12 Months Ended |
--- | --- | ---
May 31, 2025 | May 31, 2024
Income Tax Contingency [Line Items] |  |
NOL carry forwards | $ 28.9 | $ 5.0
Reserve for uncertain tax positions | 108.6 | 86.4
Impact uncertain tax benefits, if recognized, on effective income tax rate | 100.6 | $ 86.4
Netted in the deferred tax | 8.0 |
Long-Term Debt [Member] |  |
Income Tax Contingency [Line Items] |  |
Reserve for uncertain tax positions | 100.6 |
Federal [Member] |  |
Income Tax Contingency [Line Items] |  |
NOL carry forwards | $ 16.0 |
Federal [Member] | Minimum [Member] |  |
Income Tax Contingency [Line Items] |  |
NOL carry forwards, Expiration date | May 31, 2028 |
Federal [Member] | Maximum [Member] |  |
Income Tax Contingency [Line Items] |  |
NOL carry forwards, Expiration date | May 31, 2037 |
State [Member] |  |
Income Tax Contingency [Line Items] |  |
NOL carry forwards | $ 11.7 |
State [Member] | Minimum [Member] |  |
Income Tax Contingency [Line Items] |  |
NOL carry forwards, Expiration date | May 31, 2026 |
State [Member] | Maximum [Member] |  |
Income Tax Contingency [Line Items] |  |
NOL carry forwards, Expiration date | May 31, 2044 |
Foreign [Member] |  |
Income Tax Contingency [Line Items] |  |
NOL carry forwards | $ 5.3 |

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