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Other Operating Expense, Net (Tables) | 3 Months Ended
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Oct. 31, 2020
Other Income and Expenses [Abstract] |
Schedule of other operating expense, net |
|  | Three Months Ended October 31, |
|  | 2020 |  |  | 2019 |
|  | (in thousands) |
Corporate—Straight Path Communications Inc. class action insurance claims net of legal fees/(legal fees net of insurance claims) |  | $ | 302 |  |  | $ | (260 | )
Traditional Communications—Carrier Services settlement |  |  | (554 | ) |  |  | — |
Traditional Communications—net2phone indemnification claim |  |  | — |  |  |  | (365 | )
Traditional Communications—accrual for non-income related taxes related to a foreign subsidiary |  |  | — |  |  |  | (2,150 | )
Total other operating expense, net |  | $ | (252 | ) |  | $ | (2,775 | )

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