EQUITY AWARD PLANS (Tables)
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6 Months Ended |
Jan. 31, 2017 |
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| Disclosure of Compensation Related Costs, Share-based Payments [Abstract] |
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| Schedule of RSUs Activity |
The Company’s summary of Performance RSUs activity under the Stock Plans is as follows: | | | | | | | | | Number of
Shares | | Grant Date Fair Value per Share | Outstanding—July 31, 2016 | 12,265,369 |
| | $ | 13.23 |
| Granted | 8,020,980 |
| | 21.98 |
| Released | (4,375 | ) | | 14.80 |
| Canceled/forfeited | (410,208 | ) | | 14.82 |
| Outstanding—January 31, 2017 | 19,871,766 |
| | 16.74 |
|
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| Schedule of ESPP Valuation Assumptions |
The Company uses the Black-Scholes option-pricing model to determine the fair value of shares purchased under the 2016 ESPP with the following weighted average assumptions on the date of the grant (on October 11, 2016): | | | | | Six Months Ended
January 31, 2017 | Expected term (in years) | 0.75 |
| Risk-free interest rate | 0.6 | % | Volatility | 50.6 | % | Dividend yield | — | % |
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| Schedule of Employee Service Share-based Compensation, Allocation of Recognized Period Costs |
Total stock-based compensation expense recognized for stock awards in the consolidated statements of operations is as follows (in thousands): | | | | | | | | | | | | | | | | | | Three Months Ended
January 31, | | Six Months Ended
January 31, | | 2016 | | 2017 | | 2016 | | 2017 | Cost of revenue: | | | | | | | | Product | $ | 104 |
| | $ | 848 |
| | $ | 213 |
| | $ | 1,814 |
| Support and other services | 241 |
| | 2,389 |
| | 534 |
| | 5,739 |
| Sales and marketing | 1,964 |
| | 15,528 |
| | 4,082 |
| | 49,419 |
| Research and development | 1,612 |
| | 28,759 |
| | 3,241 |
| | 62,785 |
| General and administrative | 1,029 |
| | 5,083 |
| | 2,266 |
| | 23,578 |
| Total stock-based compensation expense | $ | 4,950 |
|
| $ | 52,607 |
| | $ | 10,336 |
| | $ | 143,335 |
|
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| Schedule of Compensation Cost for Share-based Payment Arrangements, Allocation of Share-based Compensation Costs by Plan |
Total stock-based compensation expense recognized for stock awards in the consolidated statements of operations by type of awards is as follows (in thousands): | | | | | | | | | | | | | | | | | | Three Months Ended
January 31, | | Six Months Ended
January 31, | | 2016 | | 2017 | | 2016 | | 2017 | RSUs * | $ | — |
| | $ | 36,677 |
| | $ | — |
| | $ | 119,008 |
| Stock options * | 4,950 |
| | 5,121 |
| | 10,336 |
| | 11,013 |
| ESPP | — |
| | 10,809 |
| | — |
| | 13,314 |
| Total stock-based compensation expense | $ | 4,950 |
|
| $ | 52,607 |
| | $ | 10,336 |
| | $ | 143,335 |
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| | * | Includes stock-compensation expense related to stock awards with performance conditions, which vesting was deemed probable during the six months ended January 31, 2017. |
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