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EQUITY AWARD PLANS (Tables) | 9 Months Ended
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Apr. 30, 2019
Disclosure of Compensation Related Costs, Share-based Payments [Abstract] |
Schedule of RSUs Activity | Below is a summary of RSU activity, including MSUs, under the Stock Plans:
| Number of Shares |  | Grant Date Fair Value per Share
Outstanding at July 31, 2018 | 23,597,499 |  |  | $ | 31.20 |
Granted | 8,445,399 |  |  | $ | 47.63 |
Vested | (6,382,260 | ) |  | $ | 28.07 |
Canceled/forfeited | (2,426,308 | ) |  | $ | 35.03 |
Outstanding at April 30, 2019 | 23,234,330 |  |  | $ | 37.63 |
Schedule of ESPP Valuation Assumptions | We use 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 grant:
| Nine Months Ended April 30,
| 2018 |  | 2019
Expected term (in years) | 0.75 |  |  | 0.84 |
Risk-free interest rate | 1.4 | % |  | 2.5 | %
Volatility | 49.8 | % |  | 69.0 | %
Dividend yield | — | % |  | — | %
Schedule of Employee Service Share-based Compensation, Allocation of Recognized Period Costs | Total stock-based compensation expense recognized in the condensed consolidated statements of operations is as follows:
| Three Months Ended April 30, |  | Nine Months Ended April 30,
| 2018 |  | 2019 |  | 2018 |  | 2019
| (in thousands)
Cost of revenue: |  |  |  |  |  |  |
Product | $ | 634 |  |  | $ | 953 |  |  | $ | 1,888 |  |  | $ | 2,523 |
Support, entitlements and other services | 1,951 |  |  | 4,542 |  |  | 6,156 |  |  | 11,072 |
Sales and marketing | 18,051 |  |  | 35,257 |  |  | 47,759 |  |  | 81,325 |
Research and development | 16,474 |  |  | 42,265 |  |  | 49,039 |  |  | 107,953 |
General and administrative | 7,836 |  |  | 11,815 |  |  | 17,630 |  |  | 30,449 |
Total stock-based compensation expense | $ | 44,946 |  |  | $ | 94,832 |  |  | $ | 122,472 |  |  | $ | 233,322 |

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- Definition Tabular disclosure of the allocation of equity-based compensation costs to a given line item on the balance sheet and income statement for the period. This may include the reporting line for the costs and the amount capitalized and expensed. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(1) -URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB Topic 14.F) -URI http://asc.fasb.org/extlink&oid=115993241&loc=d3e301413-122809 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5047-113901 + Details
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- Definition Tabular disclosure of the changes in outstanding nonvested restricted stock units. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2) -URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901 + Details
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- Definition Tabular disclosure of the significant assumptions used during the year to estimate the fair value of employee stock purchase plans, including, but not limited to: (a) expected term, (b) expected volatility of the entity's shares, (c) expected dividends, (d) risk-free rate(s), and (e) discount for post-vesting restrictions. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (f)(2) -URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901 + Details
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