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Allowance For Doubtful Accounts (Changes In Carrying Amount Of Allowance For Doubtful Accounts) (Details) - USD ($)
$ in Thousands
12 Months Ended
Jun. 30, 2016
Jun. 30, 2015
Jun. 30, 2014
Allowance for Doubtful Accounts Receivable [Roll Forward]      
Beginning Balance $ 5,987 $ 4,727 $ 4,871
Bad debt expense 5,908 5,346 3,081
Write-off /adjustments (5,155) (4,086) (3,225)
Ending Balance 6,740 5,987 $ 4,727
Unbilled receivables $ 35,600 $ 26,700