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Income Taxes - Unrecognized Tax Benefits (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward]    
Beginning balance $ 4.7 $ 6.4
(Decreases) increases as a result of tax positions taken during a prior period (0.1) (0.1)
Increases as a result of tax positions taken during the current year 0.8 0.5
Decreases relating to settlement with tax authorities 0.0 0.0
Decreases as a result of a lapse of the applicable statute of limitations (1.0) (2.1)
Decreases as a result of foreign currency fluctuations (0.2) 0.0
Ending balance $ 4.2 $ 4.7