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Fair Value Measurement (Details Textual)
$ in Millions
9 Months Ended
Sep. 30, 2015
USD ($)
Sellers
Dec. 31, 2014
USD ($)
Fair Value Measurement (Textual)    
Deferred payment arrangement number of sellers | Sellers 1  
Fair Value, Measurements, Nonrecurring [Member]    
Fair Value Measurement (Textual)    
Assets measured at fair value on a non-recurring basis, goodwill $ 6.8 $ 6.8
Assets measured at fair value on a non-recurring basis, other indefinite-lived intangible assets $ 1.6 $ 1.6