Income Taxes (Schedule Of Provision For Income Taxes) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Income Tax Disclosure [Abstract]
Current, U.S. federal tax	$ 38.7	$ 43.0	$ 14.0
Current, state and local tax	5.1	5.4	2.6
Current, Non-U.S. tax	21.6	18.4	33.1
Total current	65.4	66.8	49.7
Deferred, U.S. federal tax	(28.0)	36.5	30.1
Deferred, U.S. state and local tax	1.5	(0.4)	1.3
Deferred, Non-U.S. tax	1.4	3.6	6.5
Total deferred	(25.1)	39.7	37.9	$ 37.9
Total provision for income taxes	$ 40.3	$ 106.5	$ 87.6