SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Allowance for Doubtful Accounts (Details) - USD ($) $ in Thousands |
12 Months Ended | ||
|---|---|---|---|
Jun. 30, 2015 |
Jun. 30, 2014 |
Jun. 30, 2013 |
|
| Allowance for Doubtful Accounts Receivable [Roll Forward] | |||
| Beginning balance | $ 1,395 | $ 2,200 | $ 1,266 |
| Charged to (released from) expenses | 106 | (658) | 1,096 |
| Bad debt write-offs | (430) | (147) | (162) |
| Ending Balance | $ 1,071 | $ 1,395 | $ 2,200 |