Restructuring Costs (Schedule Of Restructuring Costs Recognized) (Details) - USD ($) $ in Millions	12 Months Ended			51 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2015
Restructuring Costs	$ 74.9	$ 77.2	$ 52.8
Other Restructuring [Member]
Restructuring Costs	65.0
Other Restructuring [Member] | Facility Exit Costs and Other [Member]
Restructuring Costs	5.7
Other Restructuring [Member] | Employee Severance, Termination Benefits And Relocation Costs [Member]
Restructuring Costs	56.2
Other Restructuring [Member] | Contract Termination [Member]
Restructuring Costs	3.1
Project Renewal [Member]
Restructuring Costs	9.9	74.0	53.8	$ 319.7
Project Renewal [Member] | Facility Exit Costs and Other [Member]
Restructuring Costs	2.6	6.7	7.5	30.0
Project Renewal [Member] | Employee Severance, Termination Benefits And Relocation Costs [Member]
Restructuring Costs	(9.1)	52.4	25.2	209.4
Project Renewal [Member] | Contract Termination [Member]
Restructuring Costs	$ 16.4	$ 14.9	$ 21.1	$ 80.3