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Income Taxes (Details 4)
$ in Thousands
12 Months Ended
Jul. 31, 2025
USD ($)
Operating Loss Carryforwards [Line Items]  
Total R&D credit carryforwards $ 169,768
U.S. Federal  
Operating Loss Carryforwards [Line Items]  
Total R&D credit carryforwards 98,595
California  
Operating Loss Carryforwards [Line Items]  
Total R&D credit carryforwards $ 71,173