Shareholders' Equity (Schedule Of Other Comprehensive Income (Loss) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Stockholders' Equity Note [Abstract]
Foreign currency translation adjustments, Pre-tax Amount		$ (7.1)	$ 84.1
Derivative (loss) gain, net, Pre-tax Amount	$ 13.4	(14.2)	(18.8)
Pension and postretirement adjustments, Pre-tax Amount	(13.4)	382.9	16.8
Total other comprehensive income (loss), Pre-tax Amount	0.0	361.6	82.1
Derivative (loss) gain, net, Tax (Expense) Benefit	(3.5)	3.7	4.9
Pension and postretirement adjustments, Tax (Expense) Benefit	3.2	(98.5)	(3.6)
Total other comprehensive income (loss), Tax (Expense) Benefit	(0.3)	(94.8)	1.3
Foreign currency translation adjustments, After-tax Amount	0.0	(7.1)	84.1
Derivative gain (loss), net, After-tax Amount	9.9	(10.5)	(13.9)
Pension and postretirement adjustments	(10.2)	284.4	13.2
Total other comprehensive (loss) income	$ (0.3)	$ 266.8	$ 83.4