STOCK BASED COMPENSATION - Summary of RSU activity (Details) - Restricted stock units - $ / shares
|
12 Months Ended |
Jun. 30, 2015 |
Jun. 30, 2014 |
Jun. 30, 2013 |
| Number of Shares |
|
|
|
| Non-vested RSUs, Number of Shares, Beginning Balance |
549,702
|
744,906
|
453,620
|
| RSUs granted, Number of Shares |
182,865
|
209,032
|
656,500
|
| RSUs vested, Number of Shares |
(182,507)
|
(170,197)
|
(70,512)
|
| RSUs canceled, Number of Shares |
(149,425)
|
(234,039)
|
(294,702)
|
| Non-vested RSUs, Number of Shares, Ending balance |
400,635
|
549,702
|
744,906
|
| Weighted Average Grant Date Fair Value |
|
|
|
| Non-vested RSUs, weighted average grant date fair value, Beginning balance, USD per share |
$ 22.65
|
$ 14.74
|
$ 9.42
|
| RSUs granted, weighted average grant date fair value, USD per share |
32.47
|
37.87
|
14.11
|
| RSUs vested, weighted average grant date fair value, USD per share |
21.27
|
15.59
|
14.14
|
| RSUs cancelled, weighted average grant date fair value, USD per share |
24.84
|
16.18
|
5.29
|
| Non-vested RSUs, weighted average grant date fair value, Ending balance, USD per share |
$ 26.95
|
$ 22.65
|
$ 14.74
|