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Other Operating (Losses) Gains, Net (Tables) | 12 Months Ended
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Jul. 31, 2018
Other Operating (Losses) Gains, Net [Abstract] |
Summary of other operating (losses) gains, net |
Year ended July 31 (in thousands) |  | 2018 |  |  | 2017 |  |  | 2016 |
Corporate —losses related to Straight Path Communications Inc. |  | $ | (1,655 | ) |  | $ | (10,436 | ) |  | $ | — |
Corporate—(losses) gain related to other legal matters |  |  | (628 | ) |  |  | 24 |  |  |  | — |
net2phone-UCaaS—other |  |  | (115 | ) |  |  | — |  |  |  | — |
Telecom & Payment Services— loss on disposal of property, plant and equipment |  |  | — |  |  |  | — |  |  |  | (326 | )
All Other—gain on sale of interest in Fabrix Systems, Ltd |  |  | — |  |  |  | — |  |  |  | 1,086 |
TOTAL |  | $ | (2,398 | ) |  | $ | (10,412 | ) |  | $ | 760 |

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- Definition Tabular disclosure of other operating (expenses) gains, net. + References No definition available. + Details
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