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Allowance For Doubtful Accounts (Changes In Carrying Amount Of Allowance For Doubtful Accounts) (Details) - USD ($)
$ in Thousands
6 Months Ended
Dec. 31, 2015
Jun. 30, 2015
Allowance for Doubtful Accounts Receivable [Roll Forward]    
Balance as of June 30, 2015 $ 5,987  
Bad debt expense 3,009  
Write-off /adjustments (1,529)  
Balance as of December 31, 2015 7,467  
Unbilled receivables $ 24,800 $ 26,700