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Allowance For Doubtful Accounts - Changes In Carrying Amount (Details) - USD ($)
$ in Thousands
9 Months Ended
Mar. 31, 2017
Jun. 30, 2016
Allowance for Doubtful Accounts Receivable [Roll Forward]    
Balance as of June 30, 2016 $ 6,740  
Bad debt expense 4,473  
Write-off /adjustments (4,943)  
Balance as of March 31, 2017 6,270  
Unbilled receivables $ 50,300 $ 35,600