Restructuring Costs (Schedule Of Restructuring Costs Recognized) (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended		54 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015	Mar. 31, 2016
Restructuring costs	$ 13.0	$ 21.0	$ 41.7	$ 61.6
Project Renewal [Member]
Restructuring costs	(0.2)	19.8	13.0	58.6	$ 322.8
Project Renewal [Member] | Facility Exit Costs and Other [Member]
Restructuring costs	(0.1)	5.5	1.5	5.2	28.9
Project Renewal [Member] | Employee Severance, Termination Benefits And Relocation Costs [Member]
Restructuring costs	1.4	11.8	(4.0)	40.0	214.5
Project Renewal [Member] | Contract Termination [Member]
Restructuring costs	$ (1.5)	$ 2.5	$ 15.5	$ 13.4	$ 79.4