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Schedule of Other Operating (Expense) Gain, Net (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Apr. 30, 2024 | Apr. 30, 2023 | Apr. 30, 2024 | Apr. 30, 2023
Restructuring Cost and Reserve [Line Items] |  |  |  |
Corporate—Straight Path Communications Inc. class action legal fees | $ (3,157) | $ (973) | $ (5,921) | $ (5,082)
Corporate—Straight Path Communications Inc. class action insurance claims |  | 337 | 2,869 | 3,325
Corporate—other |  |  | 12 |
Fintech—write-off of intangible asset | (74) |  | (74) |
Fintech—write-off of contingent consideration liability |  |  | (100) | (1,600)
Fintech— government grants |  |  |  | 382
net2phone—write-off of contingent consideration liability |  |  | 73 |
Traditional Communications— cable telephony customer indemnification claim |  | (3,912) |  | (3,925)
Traditional Communications— contingent consideration liability |  | (216) |  | (216)
Traditional Communications—other |  |  |  | 3
Total other operating expense, net | (3,231) | (4,764) | (3,041) | (3,948)
Fintech [Member] |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Fintech—write-off of contingent consideration liability |  |  |  | $ 1,565

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