Income Taxes (Income Tax Expense From Continuing Operations And Effective Tax Rate) (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Income Tax Disclosure [Abstract]
Income tax expense from continuing operations	$ 60.1	$ 53.4	$ 172.0	$ 153.6
Effective tax rate	24.00%	24.00%	24.00%	24.00%