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Income Taxes - Schedule of Unrecognized Tax Benefits (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward]      
Balance at beginning of period $ 52.0 $ 46.8 $ 36.6
Increases related to current year tax positions 6.6 6.1 9.8
Decreases related to prior year tax positions   (0.9)  
Increases related to prior year tax positions 0.8   0.4
Balance at end of period $ 59.4 $ 52.0 $ 46.8