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Income Taxes (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended | 12 Months Ended
--- | --- | --- | ---
Mar. 31, 2025 | Mar. 31, 2024 | Mar. 31, 2025 | Mar. 31, 2024 | Jun. 30, 2025
Effective Income Tax Rate Reconciliation [Line Items] |  |  |  |  |
Income taxes payable, increase |  |  | $ 36.0 |  |
Effective income tax rate | 26.00% | 24.90% | 23.00% | 23.20% |
Forecast |  |  |  |  |
Effective Income Tax Rate Reconciliation [Line Items] |  |  |  |  |
Expected increase in income tax payable and net deferred tax assets |  |  |  |  | $ 47.7

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