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FAIR VALUE MEASUREMENTS (Fair Value Hierarchy, by Category) (Details) - USD ($) $ in Thousands | Jul. 31, 2015 | Oct. 31, 2014
--- | --- | ---
Deferred Compensation Plans [Abstract] |  |
Deferred compensation plans | $ 83,176 | $ 71,449
Liabilities: |  |
Contingent consideration | 20,622 | 1,184
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] |  |
Deferred Compensation Plans [Abstract] |  |
Deferred compensation plans | 7,317 | 9,441
Liabilities: |  |
Contingent consideration | 0 | 0
Significant Other Observable Inputs (Level 2) [Member] |  |
Deferred Compensation Plans [Abstract] |  |
Deferred compensation plans | 75,859 | 62,008
Liabilities: |  |
Contingent consideration | 0 | 0
Significant Unobservable Inputs (Level 3) [Member] |  |
Deferred Compensation Plans [Abstract] |  |
Deferred compensation plans | 0 | 0
Liabilities: |  |
Contingent consideration | 20,622 | 1,184
Corporate Owned Life Insurance [Member] |  |
Deferred Compensation Plans [Abstract] |  |
Deferred compensation plans | 75,809 | 61,958
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 | 75,809 | 61,958
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 | 2,482 | 3,974
Money Market Funds [Member] | Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] |  |
Deferred Compensation Plans [Abstract] |  |
Deferred compensation plans | 2,482 | 3,974
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
Equity Securities [Member] |  |
Deferred Compensation Plans [Abstract] |  |
Deferred compensation plans | 2,131 | 2,225
Equity Securities [Member] | Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] |  |
Deferred Compensation Plans [Abstract] |  |
Deferred compensation plans | 2,131 | 2,225
Equity Securities [Member] | Significant Other Observable Inputs (Level 2) [Member] |  |
Deferred Compensation Plans [Abstract] |  |
Deferred compensation plans | 0 | 0
Equity Securities [Member] | Significant Unobservable Inputs (Level 3) [Member] |  |
Deferred Compensation Plans [Abstract] |  |
Deferred compensation plans | 0 | 0
Equity Funds [Member] |  |
Deferred Compensation Plans [Abstract] |  |
Deferred compensation plans | 1,737 | 1,903
Equity Funds [Member] | Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] |  |
Deferred Compensation Plans [Abstract] |  |
Deferred compensation plans | 1,737 | 1,903
Equity Funds [Member] | Significant Other Observable Inputs (Level 2) [Member] |  |
Deferred Compensation Plans [Abstract] |  |
Deferred compensation plans | 0 | 0
Equity Funds [Member] | Significant Unobservable Inputs (Level 3) [Member] |  |
Deferred Compensation Plans [Abstract] |  |
Deferred compensation plans | 0 | 0
Other Defined Deferred Compensation Plan [Member] |  |
Deferred Compensation Plans [Abstract] |  |
Deferred compensation plans | 1,017 | 1,389
Other Defined Deferred Compensation Plan [Member] | Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] |  |
Deferred Compensation Plans [Abstract] |  |
Deferred compensation plans | 967 | 1,339
Other Defined Deferred Compensation Plan [Member] | Significant Other Observable Inputs (Level 2) [Member] |  |
Deferred Compensation Plans [Abstract] |  |
Deferred compensation plans | 50 | 50
Other Defined Deferred Compensation Plan [Member] | Significant Unobservable Inputs (Level 3) [Member] |  |
Deferred Compensation Plans [Abstract] |  |
Deferred compensation plans | $ 0 | $ 0

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