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BALANCE SHEET COMPONENTS (Tables) | 3 Months Ended
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Oct. 31, 2020
Organization, Consolidation and Presentation of Financial Statements [Abstract] |
Schedule of Investments in Marketable Debt Securities, by Contractual Maturity Date | The following table summarizes the estimated fair value of our investments in marketable debt securities by their contractual maturity dates:
| As of October 31, 2020
| (in thousands)
Due within one year | $ | 631,457 |
Due in one to two years | 182,146 |
Total | $ | 813,603 |
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure | Prepaid expenses and other current assets consists of the following:
| As of
| July 31, 2020 |  | October 31, 2020
| (in thousands)
Prepaid operating expenses | $ | 31,690 |  |  | $ | 32,682 |
VAT receivables | 8,381 |  |  | 8,497 |
Tenant improvement allowance receivables | 8,557 |  |  | — |
Other current assets | 14,404 |  |  | 15,540 |
Total prepaid expenses and other current assets | $ | 63,032 |  |  | $ | 56,719 |
Schedule of Property, Plant and Equipment | Property and Equipment, Net Property and equipment, net consists of the following:
| Estimated Useful Life |  | As of
|  | July 31, 2020 |  | October 31, 2020
| (in months) |  | (in thousands)
Computer, production, engineering and other equipment | 36 |  | $ | 245,245 |  |  | $ | 253,389 |
Demonstration units | 12 |  | 66,569 |  |  | 66,750 |
Leasehold improvements | (1) |  | 65,557 |  |  | 62,142 |
Furniture and fixtures | 60 |  | 17,026 |  |  | 16,050 |
Total property and equipment, gross |  |  | 394,397 |  |  | 398,331 |
Less: accumulated depreciation (2) |  |  | (251,225) |  |  | (265,175) |
Total property and equipment, net |  |  | $ | 143,172 |  |  | $ | 133,156 |
(1)Leasehold improvements are amortized over the shorter of the estimated useful lives of the improvements or the remaining lease term. (2)Includes a $1.2 million write-off related to the impairment of certain leasehold improvements for the fiscal quarter ended January 31, 2020 and a $0.9 million write-off related to the impairment of certain leasehold improvements for the fiscal quarter ended October 31, 2020. For additional information on these lease-related impairments, refer to Note 6.
Schedule of Finite-Lived Intangible Assets | Intangible assets, net consists of the following:
| As of
| July 31, 2020 |  | October 31, 2020
| (in thousands)
Developed technology | $ | 79,300 |  |  | $ | 79,300 |
Customer relationships | 8,860 |  |  | 8,860 |
Trade name | 4,170 |  |  | 4,170 |
Total intangible assets, gross | 92,330 |  |  | 92,330 |
Less: |  |  |
Accumulated amortization of developed technology | (35,987) |  |  | (39,681) |
Accumulated amortization of customer relationships | (4,953) |  |  | (5,343) |
Accumulated amortization of trade name | (1,998) |  |  | (2,259) |
Total accumulated amortization | (42,938) |  |  | (47,283) |
Total intangible assets, net | $ | 49,392 |  |  | $ | 45,047 |
Schedule of Indefinite-Lived Intangible Assets | Intangible assets, net consists of the following:
| As of
| July 31, 2020 |  | October 31, 2020
| (in thousands)
Developed technology | $ | 79,300 |  |  | $ | 79,300 |
Customer relationships | 8,860 |  |  | 8,860 |
Trade name | 4,170 |  |  | 4,170 |
Total intangible assets, gross | 92,330 |  |  | 92,330 |
Less: |  |  |
Accumulated amortization of developed technology | (35,987) |  |  | (39,681) |
Accumulated amortization of customer relationships | (4,953) |  |  | (5,343) |
Accumulated amortization of trade name | (1,998) |  |  | (2,259) |
Total accumulated amortization | (42,938) |  |  | (47,283) |
Total intangible assets, net | $ | 49,392 |  |  | $ | 45,047 |
Schedule of Finite-Lived Intangible Assets, Future Amortization Expense | The estimated future amortization expense of our intangible assets is as follows:
Fiscal Year Ending July 31: | Amount
| (in thousands)
2021 | $ | 13,035 |
2022 | 16,183 |
2023 | 10,856 |
2024 | 3,210 |
2025 | 1,763 |
Total | $ | 45,047 |
Schedule of Accrued Liabilities | Accrued Compensation and Benefits Accrued compensation and benefits consists of the following:
| As of
| July 31, 2020 |  | October 31, 2020
| (in thousands)
Accrued commissions | $ | 33,503 |  |  | $ | 39,489 |
Accrued vacation | 24,006 |  |  | 26,022 |
Payroll taxes payable | 10,742 |  |  | 13,466 |
Contributions to ESPP withheld | 16,563 |  |  | 10,810 |
Accrued benefits | 8,426 |  |  | 9,343 |
Accrued bonus | 5,568 |  |  | 6,666 |
Other | 10,301 |  |  | 9,929 |
Total accrued compensation and benefits | $ | 109,109 |  |  | $ | 115,725 |

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