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REVENUE, DEFERRED REVENUE AND DEFERRED COMMISSIONS - ASC 606 Impact on Income Statement (Details) - USD ($) $ / shares in Units, $ in Thousands | 3 Months Ended
--- | ---
Oct. 31, 2017 | Oct. 31, 2016
Revenues [Abstract] |  |  |
Product | $ 219,052 | $ 153,536 |
Support and other services | 56,500 | 35,025 |
Total revenue | 275,552 | 188,561 | [1]
Gross profit | 166,930 | 118,799 | [1]
Operating expenses: |  |  |
Sales and marketing | 145,405 | 128,625 | [1]
Loss from operations | (59,039) | (114,479) | [1]
Net loss | $ (61,487) | $ (140,302) | [1]
Basic and diluted net loss per share (in dollars per share) | $ (0.39) | $ (1.89) | [1]
Accounting Standards Update 2014-09 |  |  |
Revenues [Abstract] |  |  |
Product |  | $ 153,536 |
Support and other services |  | 35,025 |
Total revenue |  | 188,561 |
Gross profit |  | 118,799 |
Operating expenses: |  |  |
Sales and marketing |  | 128,625 |
Loss from operations |  | (114,479) |
Net loss |  | $ (140,302) |
Basic and diluted net loss per share (in dollars per share) |  | $ (1.89) |
Accounting Standards Update 2014-09 | Scenario, Previously Reported |  |  |
Revenues [Abstract] |  |  |
Product |  | $ 129,657 |
Support and other services |  | 37,152 |
Total revenue |  | 166,809 |
Gross profit |  | 97,047 |
Operating expenses: |  |  |
Sales and marketing |  | 128,775 |
Loss from operations |  | (136,381) |
Net loss |  | $ (162,169) |
Basic and diluted net loss per share (in dollars per share) |  | $ (2.18) |
Accounting Standards Update 2014-09 | Restatement Adjustment |  |  |
Revenues [Abstract] |  |  |
Product |  | $ 23,879 |
Support and other services |  | (2,127) |
Total revenue |  | 21,752 |
Gross profit |  | 21,752 |
Operating expenses: |  |  |
Sales and marketing |  | (150) |
Loss from operations |  | 21,902 |
Net loss |  | $ 21,867 |
Basic and diluted net loss per share (in dollars per share) |  | $ 0.29 |
[1] | See Note 3 for a summary of adjustments related to the adoption of the new revenue recognition standard.

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- Definition The amount of net income or loss for the period per each share in instances when basic and diluted earnings per share are the same amount and reported as a single line item on the face of the financial statements. Basic earnings per share is the amount of net income or loss for the period per each share of common stock or unit outstanding during the reporting period. Diluted earnings per share includes the amount of net income or loss for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period. + References No definition available. + Details
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