Pension (Mortality Table Impact) (Details) $ in Millions	12 Months Ended
Dec. 31, 2014 USD ($)
Compensation and Retirement Disclosure [Abstract]
Projected benefit obligation increase due to change in mortality rate assumption	$ 22.1

Defined Benefit Plan, Projected Benefit Obligation, Period Increase (Decrease) due to Change in Mortality Rate Assumption Used

No definition available.

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration