Employee Pension And Other Postretirement Plans (Schedule Of Amounts Recognized In Accumulated Other Comprehensive Income And Deferred Tax Accounts) (Details) (USD $) In Millions, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
Pension Benefits [Member]
Defined Benefit Plan Disclosure [Line Items]
Prior service credit (cost)	$ 0.5	$ (0.2)
Other Postretirement Benefits [Member]
Defined Benefit Plan Disclosure [Line Items]
Prior service credit (cost)	$ 2.0	$ 0