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v3.23.2

Financial Assets and Liabilities - Short-term investments (Details) - USD ($) $ in Thousands | Jul. 31, 2023 | Oct. 31, 2022
--- | --- | ---
Cash Equivalents and Short-term Investments [Line Items] |  |
Total | $ 149,715 | $ 150,511
Gross Unrealized Gains | 54 | 7
Gross Unrealized Losses Less Than 12 Continuous Months | (653) | (1,082)
Gross Unrealized Losses 12 Continuous Months or Longer | (673) | (1,523)
Estimated fair value | 148,443 | 147,913
Cash equivalents |  |
Cash Equivalents and Short-term Investments [Line Items] |  |
Total | 202,572 | 77,683
Gross Unrealized Gains | 0 | 0
Gross Unrealized Losses Less Than 12 Continuous Months | 0 | 0
Gross Unrealized Losses 12 Continuous Months or Longer | 0 | 0
Estimated fair value | 202,572 | 77,683
Cash equivalents | Money market funds |  |
Cash Equivalents and Short-term Investments [Line Items] |  |
Total | 200,288 | 77,683
Gross Unrealized Gains | 0 | 0
Gross Unrealized Losses Less Than 12 Continuous Months | 0 | 0
Gross Unrealized Losses 12 Continuous Months or Longer | 0 | 0
Estimated fair value | 200,288 | 77,683
Cash equivalents | U.S. government agency securities |  |
Cash Equivalents and Short-term Investments [Line Items] |  |
Total | 2,284 |
Gross Unrealized Gains | 0 |
Gross Unrealized Losses Less Than 12 Continuous Months | 0 |
Gross Unrealized Losses 12 Continuous Months or Longer | 0 |
Estimated fair value | 2,284 |
Short-term investments | U.S. government agency & T-bills |  |
Cash Equivalents and Short-term Investments [Line Items] |  |
Total | 20,595 | 25,816
Gross Unrealized Gains | 0 | 0
Gross Unrealized Losses Less Than 12 Continuous Months | (82) | (174)
Gross Unrealized Losses 12 Continuous Months or Longer | (6) | (39)
Estimated fair value | 20,507 | 25,603
Short-term investments | Municipal bonds |  |
Cash Equivalents and Short-term Investments [Line Items] |  |
Total | 1,535 | 2,970
Gross Unrealized Gains | 0 | 0
Gross Unrealized Losses Less Than 12 Continuous Months | 0 | (12)
Gross Unrealized Losses 12 Continuous Months or Longer | (22) | (80)
Estimated fair value | 1,513 | 2,878
Short-term investments | Corporate debt securities |  |
Cash Equivalents and Short-term Investments [Line Items] |  |
Total | 96,614 | 95,899
Gross Unrealized Gains | 42 | 7
Gross Unrealized Losses Less Than 12 Continuous Months | (462) | (747)
Gross Unrealized Losses 12 Continuous Months or Longer | (529) | (1,135)
Estimated fair value | 95,665 | 94,024
Short-term investments | Asset-backed securities |  |
Cash Equivalents and Short-term Investments [Line Items] |  |
Total | 30,971 | 25,826
Gross Unrealized Gains | 12 | 0
Gross Unrealized Losses Less Than 12 Continuous Months | (109) | (149)
Gross Unrealized Losses 12 Continuous Months or Longer | (116) | (269)
Estimated fair value | $ 30,758 | $ 25,408

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