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Intangible Assets Including Goodwill - Carrying Value of Other Intangible Assets (Details) - USD ($)
$ in Thousands
Sep. 30, 2016
Jun. 30, 2016
Finite-Lived Intangible Assets [Line Items]    
Finite-Lived Intangible Assets, Gross $ 33,760 $ 33,826
Accumulated Amortization (13,609) (12,827)
Net Carrying Amount 20,151 20,999
Total intangible assets, net carrying amount 20,151 20,999
Intellectual Property [Member]    
Finite-Lived Intangible Assets [Line Items]    
Finite-Lived Intangible Assets, Gross 2,579 2,579
Accumulated Amortization (1,291) (1,246)
Net Carrying Amount 1,288 1,333
Customer Relationships [Member]    
Finite-Lived Intangible Assets [Line Items]    
Finite-Lived Intangible Assets, Gross 28,113 28,179
Accumulated Amortization (10,227) (9,655)
Net Carrying Amount 17,886 18,524
Noncompete Agreements [Member]    
Finite-Lived Intangible Assets [Line Items]    
Finite-Lived Intangible Assets, Gross 1,453 1,453
Accumulated Amortization (1,138) (1,102)
Net Carrying Amount 315 351
Trade Names [Member]    
Finite-Lived Intangible Assets [Line Items]    
Finite-Lived Intangible Assets, Gross 1,615 1,615
Accumulated Amortization (953) (824)
Net Carrying Amount $ 662 $ 791