Employee Benefits (Narrative) (Details) $ in Millions	9 Months Ended
	Sep. 30, 2016 USD ($)
Funded Pension Plan [Member]
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Pension Contributions	$ 4.0
Unfunded Pension Plan [Member]
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Pension Contributions	3.5
Defined Benefit Plans, Estimated Future Employer Contributions in Current Fiscal Year	0.1
Other Postretirement Benefit Plan [Member]
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Defined Benefit Plans, Estimated Future Employer Contributions in Current Fiscal Year	0.1
Other Postretirement Benefits Payments	$ 0.2