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Fair Value Measurements (Details) - Fair Value, Measurements, Recurring - USD ($) $ in Thousands | Apr. 30, 2025 | Oct. 31, 2024
--- | --- | ---
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Total assets | $ 1,195,464 | $ 1,449,636
Total liabilities | 395,032 | 393,789
Deferred compensation plan liabilities |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Other long-term liabilities | 388,851 | 386,757
Foreign currency derivative contracts |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Foreign currency derivative contracts | 9,140 | 8,851
Derivative liabilities | 6,181 | 7,032
Quoted Prices in Active Markets for Identical Assets (Level 1) |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Total assets | 1,019,306 | 1,256,729
Total liabilities | 388,851 | 386,757
Quoted Prices in Active Markets for Identical Assets (Level 1) | Deferred compensation plan liabilities |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Other long-term liabilities | 388,851 | 386,757
Quoted Prices in Active Markets for Identical Assets (Level 1) | Foreign currency derivative contracts |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Foreign currency derivative contracts | 0 | 0
Derivative liabilities | 0 | 0
Significant Other Observable Inputs (Level 2) |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Total assets | 153,956 | 170,705
Total liabilities | 6,181 | 7,032
Significant Other Observable Inputs (Level 2) | Deferred compensation plan liabilities |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Other long-term liabilities | 0 | 0
Significant Other Observable Inputs (Level 2) | Foreign currency derivative contracts |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Foreign currency derivative contracts | 9,140 | 8,851
Derivative liabilities | 6,181 | 7,032
Significant Unobservable Inputs (Level 3) |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Total assets | 22,202 | 22,202
Total liabilities | 0 | 0
Significant Unobservable Inputs (Level 3) | Deferred compensation plan liabilities |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Other long-term liabilities | 0 | 0
Significant Unobservable Inputs (Level 3) | Foreign currency derivative contracts |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Foreign currency derivative contracts | 0 | 0
Derivative liabilities | 0 | 0
Contingent consideration receivable |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Contingent consideration receivable | 22,202 | 22,202
Contingent consideration receivable | Quoted Prices in Active Markets for Identical Assets (Level 1) |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Contingent consideration receivable | 0 | 0
Contingent consideration receivable | Significant Other Observable Inputs (Level 2) |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Contingent consideration receivable | 0 | 0
Contingent consideration receivable | Significant Unobservable Inputs (Level 3) |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Contingent consideration receivable | 22,202 | 22,202
Cash equivalents | Money market funds |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Cash equivalents | 630,455 | 869,972
Cash equivalents | Money market funds | Quoted Prices in Active Markets for Identical Assets (Level 1) |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Cash equivalents | 630,455 | 869,972
Cash equivalents | Money market funds | Significant Other Observable Inputs (Level 2) |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Cash equivalents | 0 | 0
Cash equivalents | Money market funds | Significant Unobservable Inputs (Level 3) |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Cash equivalents | 0 | 0
Cash equivalents | U.S. Treasury, agency & T-bills |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Cash equivalents |  | 7,985
Cash equivalents | U.S. Treasury, agency & T-bills | Quoted Prices in Active Markets for Identical Assets (Level 1) |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Cash equivalents |  | 0
Cash equivalents | U.S. Treasury, agency & T-bills | Significant Other Observable Inputs (Level 2) |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Cash equivalents |  | 7,985
Cash equivalents | U.S. Treasury, agency & T-bills | Significant Unobservable Inputs (Level 3) |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Cash equivalents |  | 0
Short-term Investments | U.S. Treasury, agency & T-bills |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Short-term investments | 15,039 | 19,449
Short-term Investments | U.S. Treasury, agency & T-bills | Quoted Prices in Active Markets for Identical Assets (Level 1) |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Short-term investments | 0 | 0
Short-term Investments | U.S. Treasury, agency & T-bills | Significant Other Observable Inputs (Level 2) |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Short-term investments | 15,039 | 19,449
Short-term Investments | U.S. Treasury, agency & T-bills | Significant Unobservable Inputs (Level 3) |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Short-term investments | 0 | 0
Short-term Investments | Corporate debt securities |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Short-term investments | 102,905 | 105,256
Short-term Investments | Corporate debt securities | Quoted Prices in Active Markets for Identical Assets (Level 1) |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Short-term investments | 0 | 0
Short-term Investments | Corporate debt securities | Significant Other Observable Inputs (Level 2) |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Short-term investments | 102,905 | 105,256
Short-term Investments | Corporate debt securities | Significant Unobservable Inputs (Level 3) |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Short-term investments | 0 | 0
Short-term Investments | Asset-backed securities |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Short-term investments | 26,872 | 29,164
Short-term Investments | Asset-backed securities | Quoted Prices in Active Markets for Identical Assets (Level 1) |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Short-term investments | 0 | 0
Short-term Investments | Asset-backed securities | Significant Other Observable Inputs (Level 2) |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Short-term investments | 26,872 | 29,164
Short-term Investments | Asset-backed securities | Significant Unobservable Inputs (Level 3) |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Short-term investments | 0 | 0
Deferred compensation plan assets |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Deferred compensation plan assets | 388,851 | 386,757
Deferred compensation plan assets | Quoted Prices in Active Markets for Identical Assets (Level 1) |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Deferred compensation plan assets | 388,851 | 386,757
Deferred compensation plan assets | Significant Other Observable Inputs (Level 2) |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Deferred compensation plan assets | 0 | 0
Deferred compensation plan assets | Significant Unobservable Inputs (Level 3) |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Deferred compensation plan assets | $ 0 | $ 0

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- Definition Fair value portion of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 825 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 11 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482907/825-10-50-11 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 825 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 11 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482907/825-10-50-11 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 825 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 10 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482907/825-10-50-10 Reference 4: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 Reference 5: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 + Details
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- Definition Fair value, after the effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. 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