Defined Benefit Plans - Defined Benefit Plans Narrative (Details) (Pension Plans, Defined Benefit [Member], USD $) In Millions, unless otherwise specified	3 Months Ended	9 Months Ended
	Sep. 30, 2014	Sep. 30, 2014
Pension Plans, Defined Benefit [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Estimated Future Employer Contributions in Current Fiscal Year		$ 2.3
Defined Benefit Plan, Contributions by Employer	$ 0.8	$ 1.8