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Intangible Assets Including Goodwill Future Expected Amortization Expense (Details) - USD ($)
$ in Thousands
Dec. 31, 2017
Jun. 30, 2017
Finite-Lived Intangible Assets [Line Items]    
Finite-Lived Intangible Assets, Amortization Expense, Remainder of Fiscal Year $ 1,932  
Finite-Lived Intangible Assets, Amortization Expense, Next Year 3,851  
Finite-Lived Intangible Assets, Amortization Expense, Year Two 3,834  
Finite-Lived Intangible Assets, Amortization Expense, Year Three 3,822  
Finite-Lived Intangible Assets, Amortization Expense, Year Four 2,954  
Finite-Lived Intangible Assets, Amortization Expense, Year Five 2,418  
Finite-Lived Intangible Assets, Amortization Expense, after Year Five 6,553  
Finite-Lived Intangible Assets, Net $ 25,364 $ 26,296