Income Taxes (Schedule of Income Before Taxes) (Details) - USD ($) $ in Millions	12 Months Ended
Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Income Tax Disclosure [Abstract]
U.S. operations	$ 97.4	$ 163.9	$ 173.9
Non-U.S. operations	142.4	84.4	52.2
Income before income taxes	$ 239.8	$ 248.3	$ 226.1

Amount of income (loss) from continuing operations, including income (loss) from equity method investments, before deduction of income tax expense (benefit), and income (loss) attributable to noncontrolling interest.

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+ Details