EQUITY AWARD PLANS - RSU (Details) - RSUs - $ / shares |
6 Months Ended | |
|---|---|---|
Jan. 31, 2017 |
Jul. 31, 2016 |
|
| Number of Shares | ||
| Outstanding, beginning balance (in shares) | 12,265,369 | |
| Granted (in shares) | 8,020,980 | |
| Released (in shares) | (4,375) | |
| Canceled/forfeited (in shares) | (410,208) | |
| Outstanding, ending balance (in shares) | 19,871,766 | |
| Grant Date Fair Value per Share | ||
| Outstanding (in dollars per share) | $ 16.74 | $ 13.23 |
| Granted (in dollars per share) | 21.98 | |
| Released (in dollars per share) | 14.80 | |
| Canceled/forfeited (in dollars per share) | $ 14.82 |