Income Taxes (Earnings Before Income Taxes) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Income Tax Disclosure [Abstract]
Domestic	$ 1,335.7	$ 1,100.3	$ 1,046.7
Foreign	104.3	107.5	86.0
Earnings before income taxes	$ 1,440.0	$ 1,207.8	$ 1,132.7