Pension And Other Post-Retirement Benefits (Narrative) (Details) - USD ($) $ in Millions	6 Months Ended	12 Months Ended
	Jun. 30, 2016	Dec. 31, 2016	Dec. 31, 2015
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Amounts Recognized in Balance Sheet	$ (99.0)		$ (101.0)
Other Post-Retirement Benefits
Defined Benefit Plan Disclosure [Line Items]
Contribution to pension plans for continuing operations			0.3
Pension Benefits
Defined Benefit Plan Disclosure [Line Items]
Expected required contributions		$ 6.1
Contribution to pension plans for continuing operations	0.8
Accrued Expenses [Member]
Defined Benefit Plan Disclosure [Line Items]
Pension and Other Postretirement Defined Benefit Plans, Current Liabilities	$ 1.0		$ 1.0