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Schedule of Other Expense Net (Details) - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Oct. 31, 2021 | Oct. 31, 2020
Other Income and Expenses [Abstract] |  |
Foreign currency transaction losses | $ (250) | $ (428)
Equity in net loss of investee | (623) |
Losses on investments (see Note 7) | (14,494) | (920)
Other | (849) | (32)
Total other expense, net | $ (16,216) | $ (1,380)

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