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Income Taxes - Components of Income Before Taxes (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Income Tax Disclosure [Abstract]      
Domestic operations $ (5.6) $ 1.7 $ 32.0
Foreign operations 117.0 76.9 131.5
Income before income tax $ 111.4 $ 78.6 $ 163.5