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Marketable Securities - Additional Information (Details)
12 Months Ended
Oct. 31, 2025
USD ($)
Security
Oct. 31, 2024
USD ($)
Security
Marketable Securities [Line Items]    
Number of securities held | Security 50 31
Number of unrealized loss position | Security 14 21
Aggregate fair value $ 55,900,000  
Accrued interest receivable $ 1,300,000 $ 700,000
Debt Securities, Available-for-Sale, Accrued Interest, after Allowance for Credit Loss, Statement of Financial Position [Extensible Enumeration] Prepaid Expense and Other Assets, Current Prepaid Expense and Other Assets, Current
Accrued interest receivable written off $ 0 $ 0
Realized gains or losses on sale or maturity of available-for-sale securities $ 0 $ 0
US Treasury and Government [Member] | Minimum [Member]    
Marketable Securities [Line Items]    
Debt securities unrealized losses 0.00% 0.00%
US Treasury and Government [Member] | Maximum [Member]    
Marketable Securities [Line Items]    
Debt securities unrealized losses 1.00% 1.00%