Acquisitions (Details Textual) - USD ($) $ in Millions	Jun. 30, 2015	Dec. 31, 2014
Business Acquisition [Line Items]
Business acquisition contingent consideration, other long term liability	$ 0.0	$ 2.4
Business acquisition contingent consideration, accounts payable	$ 2.3	$ 2.7

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

No definition available.

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