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Fair Value Measurements (Details) - Fair values - USD ($)
$ in Thousands
Mar. 31, 2017
Jun. 30, 2016
Level 1    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Derivatives asset
Deferred contingent consideration on acquisitions
Level 2    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Derivatives asset 3,717 2,655
Deferred contingent consideration on acquisitions
Level 3    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Derivatives asset
Deferred contingent consideration on acquisitions $ (7,989) $ (6,745)