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Accumulated Other Comprehensive Loss (Tables) | 9 Months Ended
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Apr. 30, 2021
Equity: |
Schedule of Accumulated Balances for Each Classification of Other Comprehensive (Loss) Income | The accumulated balances for each classification of other comprehensive (loss) income were as follows: Schedule of Accumulated Balances for Each Classification of Other Comprehensive (Loss) Income
|  | Unrealized Gain (Loss) on Available-for-Sale Securities |  |  | Foreign Currency Translation |  |  | Accumulated Other Comprehensive Loss |
|  | (in thousands) |
Balance, July 31, 2020 |  | $ | 42 |  |  | $ | (7,452 | ) |  | $ | (7,410 | )
Other comprehensive loss attributable to IDT Corporation |  |  | (163 | ) |  |  | (817 | ) |  |  | (980 | )
Balance, April 30, 2021 |  | $ | (121 | ) |  | $ | (8,269 | ) |  | $ | (8,390 | )

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