Income Taxes (Income from Continuing Operations Before Income Taxes) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Extraordinary Items, Noncontrolling Interest [Abstract]
Domestic	$ 340.2	$ 307.8	$ 268.4
Foreign	275.6	252.3	176.8
Income from continuing operations before income taxes	$ 615.8	$ 560.1	$ 445.2