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Schedule of Other Operating (Expense) Gain, Net (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jan. 31, 2024 | Jan. 31, 2023 | Jan. 31, 2024 | Jan. 31, 2023
Restructuring Cost and Reserve [Line Items] |  |  |  |
Corporate—Straight Path Communications Inc. class action legal fees | $ (2,552) | $ (1,597) | $ (2,764) | $ (4,109)
Corporate—Straight Path Communications Inc. class action insurance claims | 2,186 | 1,263 | 2,869 | 2,988
Corporate—other |  |  | 12 |
Fintech— government grants |  | 349 |  | 382
net2phone—write-off of contingent consideration liability | 73 |  | 73 |
Traditional Communications— cable telephony customer indemnification claim |  | (1) |  | (12)
Traditional Communications—other | (1) | 3 |  | 2
Total other operating (expense) gain, net | (294) | 17 | 190 | 816
Fintech [Member] |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Fintech—write-off of contingent consideration liability |  |  |  | $ 1,565

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