Employee Benefit Plans (Actuarial Assumptions Used in the Determination of the Benefit Obligation) (Details) (Pension plans)	Dec. 31, 2014	Dec. 31, 2013
Pension plans
Defined Benefit Plans and Other Postretirement Benefit Plans
Discount rate (as a percentage)	3.81%	4.47%

The interest rate used to adjust for the time value of money for the plan.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 715

-SubTopic 20

-Section 50

-Paragraph 1

-Subparagraph (k)(1)

-URI http://asc.fasb.org/extlink&oid=35743120&loc=d3e1928-114920

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