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Fair Value Measurements (Tables) | 9 Months Ended
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Jul. 31, 2025
Fair Value Disclosures [Abstract] |
Schedule of Assets and Liabilities Measured at Fair Value on Recurring Basis | Assets and liabilities measured at fair value on a recurring basis are summarized below as of July 31, 2025:
|  |  | Fair Value Measurement Using
Description | Total |  | Quoted Prices in Active Markets for Identical Assets (Level 1) |  | Significant Other Observable Inputs (Level 2) |  | Significant Unobservable Inputs (Level 3)
| (in thousands)
Assets |  |  |  |  |  |  |
Cash equivalents: |  |  |  |  |  |  |
Money market funds | $ | 267,586 |  |  | $ | 267,586 |  |  | $ | — |  |  | $ | — |
Short-term investments: |  |  |  |  |  |  |
U.S. Treasury, agency & T-bills | 5,018 |  |  | — |  |  | 5,018 |  |  | — |
Municipal bonds | 17,127 |  |  | — |  |  | 17,127 |  |  | — |
Corporate debt securities | 44,902 |  |  | — |  |  | 44,902 |  |  | — |
Other | 188 |  |  | — |  |  | 188 |  |  | — |
Prepaid and other current assets: |  |  |  |  |  |  |
Foreign currency derivative contracts | 11,101 |  |  | — |  |  | 11,101 |  |  | — |
Contingent consideration receivable | 22,202 |  |  | — |  |  | — |  |  | 22,202 |
Other long-term assets: |  |  |  |  |  |  |
Deferred compensation plan assets | 426,862 |  |  | 426,862 |  |  | — |  |  | — |
Marketable equity securities | 969 |  |  | 969 |  |  | — |  |  | — |
Total assets | $ | 795,955 |  |  | $ | 695,417 |  |  | $ | 78,336 |  |  | $ | 22,202 |
Liabilities |  |  |  |  |  |  |
Accounts payable and accrued liabilities: |  |  |  |  |  |  |
Foreign currency derivative contracts | $ | 6,730 |  |  | $ | — |  |  | $ | 6,730 |  |  | $ | — |
Other long-term liabilities: |  |  |  |  |  |  |
Deferred compensation plan liabilities | 426,862 |  |  | 426,862 |  |  | — |  |  | — |
Total liabilities | $ | 433,592 |  |  | $ | 426,862 |  |  | $ | 6,730 |  |  | $ | — |
Assets and liabilities measured at fair value on a recurring basis are summarized below as of October 31, 2024:
|  |  | Fair Value Measurement Using
Description | Total |  | Quoted Prices in Active Markets for Identical Assets (Level 1) |  | Significant Other Observable Inputs (Level 2) |  | Significant Unobservable Inputs (Level 3)
| (in thousands)
Assets |  |  |  |  |  |  |
Cash equivalents: |  |  |  |  |  |  |
Money market funds | $ | 869,972 |  |  | $ | 869,972 |  |  | $ | — |  |  | $ | — |
U.S. Treasury, agency & T-bills | 7,985 |  |  | — |  |  | 7,985 |  |  | — |
Short-term investments: |  |  |  |  |  |  |
U.S. Treasury, agency & T-bills | 19,449 |  |  | — |  |  | 19,449 |  |  | — |
Corporate debt securities | 105,256 |  |  | — |  |  | 105,256 |  |  | — |
Asset-backed securities | 29,164 |  |  | — |  |  | 29,164 |  |  | — |
Prepaid and other current assets: |  |  |  |  |  |  |
Foreign currency derivative contracts | 8,851 |  |  | — |  |  | 8,851 |  |  | — |
Contingent consideration receivable | 22,202 |  |  | — |  |  | — |  |  | 22,202 |
Other long-term assets: |  |  |  |  |  |  |
Deferred compensation plan assets | 386,757 |  |  | 386,757 |  |  | — |  |  | — |
Total assets | $ | 1,449,636 |  |  | $ | 1,256,729 |  |  | $ | 170,705 |  |  | $ | 22,202 |
Liabilities |  |  |  |  |  |  |
Accounts payable and accrued liabilities: |  |  |  |  |  |  |
Foreign currency derivative contracts | $ | 7,032 |  |  | $ | — |  |  | $ | 7,032 |  |  | $ | — |
Other long-term liabilities: |  |  |  |  |  |  |
Deferred compensation plan liabilities | 386,757 |  |  | 386,757 |  |  | — |  |  | — |
Total liabilities | $ | 393,789 |  |  | $ | 386,757 |  |  | $ | 7,032 |  |  | $ | — |

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- Definition Tabular disclosure of financial instrument measured at fair value on recurring or nonrecurring basis. Includes, but is not limited to, instrument classified in shareholders' equity. + References Reference 1: 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 2: 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 Reference 3: http://www.xbrl.org/2003/role/exampleRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 55 -Paragraph 100 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482078/820-10-55-100 Reference 4: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-3 + Details
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