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SCHEDULE II-VALUATION AND QUALIFYING ACCOUNTS (Details) - Doubtful accounts - USD ($)
$ in Thousands
12 Months Ended
Jun. 30, 2016
Jun. 30, 2015
Jun. 30, 2014
Valuation and Qualifying accounts      
Balance at beginning of period $ 5,900 $ 5,691 $ 7,277
Charged to costs and expenses 2,095 340 193
Deductions - Write-offs 944 131 1,779
Balance at end of period $ 7,051 $ 5,900 $ 5,691