FAIR VALUE MEASUREMENTS (Fair Value Hierarchy, by Category) (Details) - USD ($) $ in Thousands	Apr. 30, 2026	Oct. 31, 2025
Deferred Compensation Plans [Abstract]
Deferred compensation plans	$ 399,144	$ 390,870
Liabilities:
Contingent consideration	53,395	46,198
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member]
Deferred Compensation Plans [Abstract]
Deferred compensation plans	7,627	11,940
Liabilities:
Contingent consideration	0	0
Significant Other Observable Inputs (Level 2) [Member]
Deferred Compensation Plans [Abstract]
Deferred compensation plans	391,517	378,930
Liabilities:
Contingent consideration	0	0
Significant Unobservable Inputs (Level 3) [Member]
Deferred Compensation Plans [Abstract]
Deferred compensation plans	0	0
Liabilities:
Contingent consideration	53,395	46,198
Corporate Owned Life Insurance [Member]
Deferred Compensation Plans [Abstract]
Deferred compensation plans	391,517	378,930
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	391,517	378,930
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	7,627	11,940
Money Market Funds [Member] \| Quoted Prices in Active Markets for Identical Assets (Level 1) [Member]
Deferred Compensation Plans [Abstract]
Deferred compensation plans	7,627	11,940
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