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Income Taxes - Income before Income Tax, Domestic and Foreign (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Income Tax Disclosure [Abstract]      
Domestic $ 425.9 $ 280.8 $ 95.5
Foreign 7.5 9.6 (1.4)
Income before income taxes $ 433.4 $ 290.4 $ 94.1