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BUSINESS COMBINATIONS - Preliminary Aggregate Purchase Price Allocation (Details) - USD ($) $ in Thousands |  | 9 Months Ended |
--- | --- | --- | ---
Aug. 24, 2018 | Apr. 30, 2019 | Jul. 31, 2018
Business Acquisition [Line Items] |  |  |
Goodwill |  | $ 185,180 | $ 87,759
Mainframe2, Inc. |  |  |
Business Acquisition [Line Items] |  |  |
Goodwill |  | 97,328 |
Amortizable intangible assets |  | 38,180 |
Tangible assets acquired |  | 10,811 |
Liabilities assumed |  | (16,293) |
Total consideration | $ 130,000 | $ 130,026 |

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