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Income Taxes, Unrecognized Tax Benefits (Details) - USD ($) $ in Millions | 12 Months Ended
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Dec. 31, 2024 | Dec. 31, 2023
Reconciliation of unrecognized tax benefits [Roll Forward] |  |
Balance as of January 1, | $ 71.2 | $ 75.1
Additions based on tax positions related to the current year | 2.8 | 2.9
Unrecognized Tax Benefits, Increase Resulting from Prior Period Tax Positions | 1.6 |
Unrecognized Tax Benefits, Decrease Resulting from Prior Period Tax Positions |  | 6.8
Settlements with taxing authorities | (1.9) | 0.0
Balance as of December 31, | 73.7 | $ 71.2
Conclusion of Examination by Tax Authorities [Member] |  |
Significant Change in Unrecognized Tax Benefits is Reasonably Possible [Line Items] |  |
Gross unrecognized tax benefits where settlement in next twelve months is reasonably possible | $ 42.8 |

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