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Fair Value Measurements (Details) - Fair value - USD ($)
$ in Thousands
Sep. 30, 2015
Jun. 30, 2015
Level 1    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Derivatives
Deferred consideration on acquisition
Level 2    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Derivatives $ (6,445) $ (1,542)
Deferred consideration on acquisition
Level 3    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Derivatives
Deferred consideration on acquisition $ 5,810 $ 5,465