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Debt Securities (Details Narrative) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jan. 31, 2025
Jan. 31, 2024
Jan. 31, 2025
Jan. 31, 2024
Investments, Debt and Equity Securities [Abstract]        
Proceeds from sale and maturity of debt securities, available-for-sale $ 6.9 $ 14.2 $ 16.8 $ 31.2