Note 8 - Investments in Equity Securities - Changes in Investments in Equity Securities (Details) $ in Thousands	3 Months Ended
Oct. 31, 2025 USD ($)
Balance	$ 28,470
Fair value gain on equity securities	16,021
Balance	$ 44,491

Amount of investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI).

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+ Details