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Summary of Significant Accounting Policies (Tables) | 9 Months Ended
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Apr. 30, 2026
Accounting Policies [Abstract] |
Schedule of Held to Maturity Securities | The table below shows the amortized cost, associated gross unrealized gains and associated fair value of held to maturity securities.
(In thousands) |  | April 30, 2026 |
|  | Amortized Cost |  |  | Gross Unrealized Gains |  |  | Fair Value |
Investment in held to maturity securities |  | $ | 845,570 |  |  | $ | 878 |  |  | $ | 846,448 |
(In thousands) |  | July 31, 2025 |
|  | Amortized Cost |  |  | Gross Unrealized Gains |  |  | Fair Value |
Investment in held to maturity securities |  | $ | 2,008,539 |  |  | $ | 15,575 |  |  | $ | 2,024,114 |

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- Definition Tabular disclosure of cash, cash equivalent, and investment. + References No definition available. + Details
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