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Other Operating Expense, Net (Tables) | 6 Months Ended
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Jan. 31, 2021
Other Income and Expenses [Abstract] |
Schedule of other operating expense, net |
|  | Three Months Ended January 31, |  |  | Six Months Ended January 31, |
|  | 2021 |  |  | 2020 |  |  | 2021 |  |  | 2020 |
|  | (in thousands) |
Corporate—Straight Path Communications Inc. class action legal fees net of insurance claims |  | $ | (306 | ) |  | $ | (160 | ) |  | $ | (4 | ) |  | $ | (421 | )
net2phone-UCaaS—other, net |  |  | (100 | ) |  |  | (63 | ) |  |  | (100 | ) |  |  | (63 | )
Traditional Communications—gain from sale of rights under class action lawsuit |  |  | 2,000 |  |  |  | — |  |  |  | 2,000 |  |  |  | — |
Traditional Communications—net2phone indemnification claim |  |  | (387 | ) |  |  | (169 | ) |  |  | (387 | ) |  |  | (534 | )
Traditional Communications—Carrier Services settlement |  |  | — |  |  |  | — |  |  |  | (554 | ) |  |  | — |
Traditional Communications—accrual for non-income related taxes related to a foreign subsidiary |  |  | — |  |  |  | — |  |  |  | — |  |  |  | (2,150 | )
Total other operating gain (expense), net |  | $ | 1,207 |  |  | $ | (392 | ) |  | $ | 955 |  |  | $ | (3,168 | )

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