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ACQUISITIONS - Togo Group - Additional Information (Details) - USD ($) $ in Thousands |  |  | 2 Months Ended | 3 Months Ended | 12 Months Ended
--- | --- | --- | --- | --- | ---
Aug. 01, 2020 | Mar. 23, 2020 | Mar. 23, 2020 | Jul. 31, 2020 | Jul. 31, 2021 | Jul. 31, 2020 | Jul. 31, 2019
Business Acquisition [Line Items] |  |  |  |  |  |  |
Payments to acquire interest in joint venture |  |  |  |  | $ 0 | $ 0 | $ 6,500
Togo Group |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |
Payments to acquire interest in joint venture | $ 6,000 |  |  |  |  |  |
Ownership percentage after all transactions |  | 73.50% |  |  |  |  |
Equity, fair value disclosure |  | $ 47,256 | $ 47,256 |  |  |  |
Preferred stock, dividend rate, percentage |  | 3.00% |  |  |  |  |
Preferred stock, liquidation preference |  | $ 20,180 | 20,180 |  |  |  |
Call option expiration period |  | 4 years |  |  |  |  |
Acquired finite-lived intangible assets, weighted average useful life |  |  |  | 8 years |  |  |
Losses from investment |  |  | $ 6,884 |  |  |  | $ 8,798

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