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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%

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- Definition Amount, after allowance for credit loss, of accrued interest on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2A -Publisher FASB -URI https://asc.fasb.org/1943274/2147481800/320-10-50-2A Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 30 -Name Accounting Standards Codification -Section 45 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479130/326-30-45-1 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 3A -Publisher FASB -URI https://asc.fasb.org/1943274/2147479106/326-30-50-3A Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 3B -Publisher FASB -URI https://asc.fasb.org/1943274/2147479106/326-30-50-3B + Details
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- Definition Amount of accumulated unrealized loss on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in continuous unrealized loss position for less than 12 months, without allowance for credit loss. Includes beneficial interest in securitized financial asset. + References Reference 1: http://fasb.org/us-gaap/role/ref/otherTransitionRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 7 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481800/320-10-50-7 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 5 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479106/326-30-50-5 + Details
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