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BUSINESS COMBINATIONS - PernixData Acquisition (Details) - USD ($) $ in Thousands |  | 12 Months Ended
--- | --- | ---
Sep. 06, 2016 | Jul. 31, 2018 | Jul. 31, 2017 | Jul. 31, 2016
Business Acquisition [Line Items] |  |  |  |
Contingent liability adjustment |  | $ 2,423 | $ (1,924) | $ 0
Goodwill |  | $ 87,759 | $ 16,672 | $ 0
PernixData Acquisition |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Consideration transferred | $ 23,000 |  |  |
Business acquisition equity issued (in shares) | 1,711,019 |  |  |
Payment term (in years) | 3 years |  |  |
Contingent consideration maximum | $ 19,000 |  |  |
Contingent liability | 2,400 |  |  |
Contingent liability adjustment | 1,800 |  |  |
Acquisition related costs | 700 |  |  |
Goodwill | 11,900 |  |  |
Contingent Consideration, Purchase Price | PernixData Acquisition |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Contingent consideration maximum | 7,500 |  |  |
Contingent Consideration, Compensation | PernixData Acquisition |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Contingent consideration maximum | $ 11,500 |  |  |
Developed technology |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Estimated Life (in years) | 5 years |  |  |
Developed technology | PernixData Acquisition |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Finite-lived intangible assets, gross | $ 3,570 |  |  |
Estimated Life (in years) | 5 years |  |  |
Customer relationships | PernixData Acquisition |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Finite-lived intangible assets, gross | $ 4,600 |  |  |
Estimated Life (in years) | 6 years |  |  |
In-process R&D | PernixData Acquisition |  |  |  |
Business Acquisition [Line Items] |  |  |  |
In-process R&D | $ 16,100 |  |  |

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- Definition Weighted average amortization period of finite-lived intangible assets acquired either individually or as part of a group of assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (a)(3) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16265-109275 + Details
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- Definition This element represents acquisition-related costs incurred to effect a business combination which costs have been expensed during the period. Such costs include finder's fees; advisory, legal, accounting, valuation, and other professional or consulting fees; general administrative costs, including the costs of maintaining an internal acquisitions department; and may include costs of registering and issuing debt and equity securities. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 25 -Paragraph 23 -URI http://asc.fasb.org/extlink&oid=84229725&loc=d3e1043-128460 + Details
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