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Financial Assets and Liabilities - Schedule of Cash Equivalents and Short-Term Investments (Details) - USD ($) $ in Thousands | Oct. 31, 2024 | Oct. 31, 2023
--- | --- | ---
Cash Equivalents and Short-term Investments [Line Items] |  |
Total | $ 153,496 | $ 152,725
Gross Unrealized Gains | 523 | 34
Gross Unrealized Losses Less Than 12 Continuous Months | (128) | (609)
Gross Unrealized Losses 12 Continuous Months or Longer | (22) | (511)
Estimated fair value | 153,869 | 151,639
Cash equivalents |  |
Cash Equivalents and Short-term Investments [Line Items] |  |
Total | 877,956 | 13,123
Gross Unrealized Gains | 1 | 0
Gross Unrealized Losses Less Than 12 Continuous Months | 0 | 0
Gross Unrealized Losses 12 Continuous Months or Longer | 0 | 0
Estimated fair value | 877,957 | 13,123
Cash equivalents | Money market funds |  |
Cash Equivalents and Short-term Investments [Line Items] |  |
Total | 869,972 | 10,129
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 | 869,972 | 10,129
Cash equivalents | U.S. Treasury, agency & T-bills |  |
Cash Equivalents and Short-term Investments [Line Items] |  |
Total | 7,984 | 2,994
Gross Unrealized Gains | 1 | 0
Gross Unrealized Losses Less Than 12 Continuous Months | 0 | 0
Gross Unrealized Losses 12 Continuous Months or Longer | 0 | 0
Estimated fair value | 7,985 | 2,994
Short-term Investments | U.S. Treasury, agency & T-bills |  |
Cash Equivalents and Short-term Investments [Line Items] |  |
Total | 19,411 | 15,752
Gross Unrealized Gains | 44 | 0
Gross Unrealized Losses Less Than 12 Continuous Months | (6) | (61)
Gross Unrealized Losses 12 Continuous Months or Longer | 0 | (2)
Estimated fair value | 19,449 | 15,689
Short-term Investments | Municipal bonds |  |
Cash Equivalents and Short-term Investments [Line Items] |  |
Total |  | 515
Gross Unrealized Gains |  | 0
Gross Unrealized Losses Less Than 12 Continuous Months |  | 0
Gross Unrealized Losses 12 Continuous Months or Longer |  | (16)
Estimated fair value |  | 499
Short-term Investments | Corporate debt securities |  |
Cash Equivalents and Short-term Investments [Line Items] |  |
Total | 105,024 | 103,213
Gross Unrealized Gains | 349 | 13
Gross Unrealized Losses Less Than 12 Continuous Months | (115) | (455)
Gross Unrealized Losses 12 Continuous Months or Longer | (2) | (396)
Estimated fair value | 105,256 | 102,375
Short-term Investments | Asset-backed securities |  |
Cash Equivalents and Short-term Investments [Line Items] |  |
Total | 29,061 | 33,245
Gross Unrealized Gains | 130 | 21
Gross Unrealized Losses Less Than 12 Continuous Months | (7) | (93)
Gross Unrealized Losses 12 Continuous Months or Longer | (20) | (97)
Estimated fair value | $ 29,164 | $ 33,076

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