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Income Taxes - Jurisdictions, Net Income (Loss) Subject to Income Taxes (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Income Tax Disclosure [Abstract]      
United States $ 235.3 $ 270.7 $ 119.1
Outside of the United States (61.4) (45.7) (14.9)
Income before income taxes $ 173.9 $ 225.0 $ 104.2