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Schedule of Other (Expense) Income, Net (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Apr. 30, 2022 | Apr. 30, 2021 | Apr. 30, 2022 | Apr. 30, 2021
Other Income and Expenses [Abstract] |  |  |  |
Foreign currency transaction (losses) gains | $ (857) | $ (1,069) | $ (259) | $ 396
Equity in net loss of investee | (765) | (528) | (2,208) | (528)
(Losses) gains on investments (see Note 7) | (3,416) | 5,435 | (20,862) | 5,822
Other | (30) | (23) | (905) | (82)
Total other (expense) income, net | $ (5,068) | $ 3,815 | $ (24,234) | $ 5,608

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