FAIR VALUE MEASUREMENTS (Fair Value Hierarchy, by Category) (Details) - USD ($)	Apr. 30, 2016	Oct. 31, 2015
Deferred Compensation Plans [Abstract]
Deferred compensation plans	$ 89,233,000	$ 81,576,000
Liabilities:
Contingent consideration	25,219,000	21,405,000
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member]
Deferred Compensation Plans [Abstract]
Deferred compensation plans	4,588,000	8,288,000
Liabilities:
Contingent consideration	0	0
Significant Other Observable Inputs (Level 2) [Member]
Deferred Compensation Plans [Abstract]
Deferred compensation plans	84,645,000	73,288,000
Liabilities:
Contingent consideration	0	0
Significant Unobservable Inputs (Level 3) [Member]
Deferred Compensation Plans [Abstract]
Deferred compensation plans	0	0
Liabilities:
Contingent consideration	25,219,000	21,405,000
Corporate Owned Life Insurance [Member]
Deferred Compensation Plans [Abstract]
Deferred compensation plans	84,595,000	73,238,000
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	84,595,000	73,238,000
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	139,000	3,832,000
Money Market Funds [Member] | Quoted Prices in Active Markets for Identical Assets (Level 1) [Member]
Deferred Compensation Plans [Abstract]
Deferred compensation plans	139,000	3,832,000
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	1,812,000	1,845,000
Equity Securities [Member] | Quoted Prices in Active Markets for Identical Assets (Level 1) [Member]
Deferred Compensation Plans [Abstract]
Deferred compensation plans	1,812,000	1,845,000
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	1,685,000	1,665,000
Equity Funds [Member] | Quoted Prices in Active Markets for Identical Assets (Level 1) [Member]
Deferred Compensation Plans [Abstract]
Deferred compensation plans	1,685,000	1,665,000
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	1,002,000	996,000
Other Defined Deferred Compensation Plan [Member] | Quoted Prices in Active Markets for Identical Assets (Level 1) [Member]
Deferred Compensation Plans [Abstract]
Deferred compensation plans	952,000	946,000
Other Defined Deferred Compensation Plan [Member] | Significant Other Observable Inputs (Level 2) [Member]
Deferred Compensation Plans [Abstract]
Deferred compensation plans	50,000	50,000
Other Defined Deferred Compensation Plan [Member] | Significant Unobservable Inputs (Level 3) [Member]
Deferred Compensation Plans [Abstract]
Deferred compensation plans	$ 0	$ 0