Income Taxes (Schedule Of Provision For Income Taxes) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Income Tax Disclosure [Abstract]
Current, U.S. federal tax	$ 80.7	$ 39.0	$ 11.3
Current, state and local tax	8.4	3.7	1.6
Current, Non-U.S. tax	90.4	34.2	12.4
Total current	179.5	76.9	25.3
Deferred, U.S. federal tax	9.2	(8.2)	16.5
Deferred, U.S. state and local tax	(13.7)	(1.9)	(0.1)
Deferred, Non-U.S. tax	(13.1)	0.6	1.7
Total deferred	(17.6)	(9.5)	18.1
Total provision for income taxes	161.9	67.4	43.4
Excess tax benefits from share-based compensation	$ 3.0	$ 5.5	$ 0.6