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FAIR VALUE MEASUREMENTS (Fair Value Hierarchy, by Category) (Details) - USD ($) $ in Thousands | Apr. 30, 2024 | Oct. 31, 2023
--- | --- | ---
Deferred Compensation Plans [Abstract] |  |
Deferred compensation plans | $ 286,039 | $ 233,539
Liabilities: |  |
Contingent consideration | 45,917 | 71,136
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] |  |
Deferred Compensation Plans [Abstract] |  |
Deferred compensation plans | 10,460 | 5,829
Liabilities: |  |
Contingent consideration | 0 | 0
Significant Other Observable Inputs (Level 2) [Member] |  |
Deferred Compensation Plans [Abstract] |  |
Deferred compensation plans | 275,579 | 227,710
Liabilities: |  |
Contingent consideration | 0 | 0
Significant Unobservable Inputs (Level 3) [Member] |  |
Deferred Compensation Plans [Abstract] |  |
Deferred compensation plans | 0 | 0
Liabilities: |  |
Contingent consideration | 45,917 | 71,136
Corporate Owned Life Insurance [Member] |  |
Deferred Compensation Plans [Abstract] |  |
Deferred compensation plans | 275,579 | 227,710
Corporate Owned Life Insurance [Member] | Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] |  |
Deferred Compensation Plans [Abstract] |  |
Deferred compensation plans | 0 | 0
Corporate Owned Life Insurance [Member] | Significant Other Observable Inputs (Level 2) [Member] |  |
Deferred Compensation Plans [Abstract] |  |
Deferred compensation plans | 275,579 | 227,710
Corporate Owned Life Insurance [Member] | Significant Unobservable Inputs (Level 3) [Member] |  |
Deferred Compensation Plans [Abstract] |  |
Deferred compensation plans | 0 | 0
Money Market Funds [Member] |  |
Deferred Compensation Plans [Abstract] |  |
Deferred compensation plans | 10,460 | 5,829
Money Market Funds [Member] | Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] |  |
Deferred Compensation Plans [Abstract] |  |
Deferred compensation plans | 10,460 | 5,829
Money Market Funds [Member] | Significant Other Observable Inputs (Level 2) [Member] |  |
Deferred Compensation Plans [Abstract] |  |
Deferred compensation plans | 0 | 0
Money Market Funds [Member] | Significant Unobservable Inputs (Level 3) [Member] |  |
Deferred Compensation Plans [Abstract] |  |
Deferred compensation plans | $ 0 | $ 0

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