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BALANCE SHEET COMPONENTS BALANCE SHEET COMPONENTS - Goodwill (Details) - USD ($) $ in Thousands | 12 Months Ended
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Jul. 31, 2018 | Jul. 31, 2017
Goodwill [Roll Forward] |  |
Balance at July 31, 2016 | $ 16,672 | $ 0
Balance at July 31, 2018 | 87,759 | 16,672
Calm Acquisition |  |
Goodwill [Roll Forward] |  |
Goodwill acquired |  | 4,819
PernixData Acquisition |  |
Goodwill [Roll Forward] |  |
Goodwill acquired |  | $ 11,853
Netsil Inc. |  |
Goodwill [Roll Forward] |  |
Goodwill acquired | 53,085 |
Minjar, Inc. |  |
Goodwill [Roll Forward] |  |
Goodwill acquired | $ 18,002 |

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- Definition Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 45 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=77989000&loc=SL49117168-202975 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=99380562&loc=d3e13770-109266 + Details
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- Definition Amount of increase in asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized resulting from a business combination. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=108376223&loc=d3e13816-109267 + Details
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- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. + References No definition available. + Details
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- Details
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