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BALANCE SHEET COMPONENTS - Intangible Assets (Details) - USD ($) $ in Thousands | Apr. 30, 2020 | Jul. 31, 2019
--- | --- | ---
Finite-Lived Intangible Assets [Line Items] |  |
Finite-lived intangible assets, gross | $ 92,330 | $ 92,330
Less: |  |
Accumulated amortization | (38,592) | (25,557)
Total intangible assets, net | 53,738 | 66,773
Developed technology |  |
Finite-Lived Intangible Assets [Line Items] |  |
Finite-lived intangible assets, gross | 79,300 | 79,300
Less: |  |
Accumulated amortization | (32,293) | (21,210)
Customer relationships |  |
Finite-Lived Intangible Assets [Line Items] |  |
Finite-lived intangible assets, gross | 8,860 | 8,860
Less: |  |
Accumulated amortization | (4,562) | (3,392)
Trade Names |  |
Finite-Lived Intangible Assets [Line Items] |  |
Finite-lived intangible assets, gross | 4,170 | 4,170
Less: |  |
Accumulated amortization | $ (1,737) | $ (955)

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