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FAIR VALUE MEASUREMENTS (Fair Value Hierarchy, by Category) (Details) - USD ($) $ in Thousands | Jul. 31, 2023 | Oct. 31, 2022
--- | --- | ---
Deferred Compensation Plans [Abstract] |  |
Deferred compensation plans | $ 254,689 | $ 204,716
Liabilities: |  |
Contingent consideration | 56,426 | 82,803
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] |  |
Deferred Compensation Plans [Abstract] |  |
Deferred compensation plans | 7,778 | 3,477
Liabilities: |  |
Contingent consideration | 0 | 0
Significant Other Observable Inputs (Level 2) [Member] |  |
Deferred Compensation Plans [Abstract] |  |
Deferred compensation plans | 246,911 | 201,239
Liabilities: |  |
Contingent consideration | 0 | 0
Significant Unobservable Inputs (Level 3) [Member] |  |
Deferred Compensation Plans [Abstract] |  |
Deferred compensation plans | 0 | 0
Liabilities: |  |
Contingent consideration | 56,426 | 82,803
Corporate Owned Life Insurance [Member] |  |
Deferred Compensation Plans [Abstract] |  |
Deferred compensation plans | 246,911 | 201,239
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 | 246,911 | 201,239
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 | 7,778 | 3,477
Money Market Funds [Member] | Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] |  |
Deferred Compensation Plans [Abstract] |  |
Deferred compensation plans | 7,778 | 3,477
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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