Benefit Plans (Details Textual) (USD $) In Millions, unless otherwise specified	Mar. 31, 2015	Dec. 31, 2014
Compensation and Retirement Disclosure [Abstract]
Long-term portion of the pension liability	$ 25.9	$ 24.9

This represents the noncurrent liability recognized in the balance sheet that is associated with the defined benefit pension plans.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

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Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

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Name:	us-gaap_DefinedBenefitPensionPlanLiabilitiesNoncurrent
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant