Income Taxes (Narrative) (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Income Taxes [Abstract]
Total income tax provision	$ 42.1	$ 43.7	$ 129.6	$ 123.1
Effective tax rate			26.10%	25.70%