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Pension And Other Post-Retirement Benefits (Narrative) (Details) - USD ($)
$ in Millions
3 Months Ended 12 Months Ended
Mar. 31, 2016
Dec. 31, 2015
Defined Benefit Plan Disclosure [Line Items]    
Defined Benefit Plan, Amounts Recognized in Balance Sheet $ (100.4) $ (101.0)
Other Post-Retirement Benefits    
Defined Benefit Plan Disclosure [Line Items]    
Contribution to pension plans for continuing operations   0.1
Pension Benefits    
Defined Benefit Plan Disclosure [Line Items]    
Expected required contributions 6.1  
Accrued Expenses [Member]    
Defined Benefit Plan Disclosure [Line Items]    
Pension and Other Postretirement Defined Benefit Plans, Current Liabilities $ 1.0 $ 1.0