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Income Taxes (Components of Income From Operations) (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Income Tax Disclosure [Abstract]      
Domestic $ 107.1 $ 50.4 $ 6.1
Foreign 14.6 16.7 13.0
Income before income tax expense $ 121.7 $ 67.1 $ 19.1