Shareholders' Equity (Schedule Of Other Comprehensive Income (Loss)) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Stockholders Equity Note [Abstract]
Foreign currency translation adjustments, Pre-tax Amount	$ 84.1	$ (27.6)	$ 24.5
Derivative (loss) gain, net, Pre-tax Amount	(18.8)	0.9	(0.8)
Pension and postretirement adjustments, Pre-tax Amount	16.8	(41.6)	50.4
Total other comprehensive (loss) income, Pre-tax Amount	82.1	(68.3)	74.1
Derivative (loss) gain, net, Tax (Expense) Benefit	4.9	0.2	0.5
Pension and postretirement adjustments, Tax (Expense) Benefit	(3.6)	8.7	(16.7)
Total other comprehensive (loss) income, Tax (Expense) Benefit	1.3	8.9	(16.2)
Foreign currency translation adjustments, After-tax Amount	84.1	(27.6)	24.5
Derivative gain (loss), net, After-tax Amount	(13.9)	1.1	(0.3)
Pension and postretirement adjustments	13.2	(32.9)	33.7
Total other comprehensive income (loss)	$ 83.4	$ (59.4)	$ 57.9