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Income Taxes - Reconciliation of Unrecognized Tax Benefits (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Unrecognized Tax Benefits [Roll Forward]      
Balance at beginning of period $ 8.7 $ 9.5 $ 11.0
Additions for current year tax positions 1.4 0.9 0.8
Additions (reductions) for prior year tax positions 0.4 (1.7) (2.3)
Unrecognized Tax Benefits, Decrease Resulting from Settlements with Taxing Authorities 1.3 0.0 0.0
Balance at end of period $ 9.2 $ 8.7 $ 9.5