Acquisitions (Details Textual) (USD $) In Millions, unless otherwise specified	Mar. 31, 2014	Dec. 31, 2013	Apr. 01, 2014 Effective Companies [Member]
Business Acquisition [Line Items]
Business acquisition contingent consideration, other long term liability	$ 1.4	$ 1.4
Business Acquisition Purchase Price Of Acquired Entity Cash Paid			9.0
Business Acquisition Additional Contingent Consideration			6.4
Business Acquisition Contingent Consideration Accounts Payable And Accrued Liability	$ 1.0	$ 2.4