FAIR VALUE MEASUREMENTS (Fair Value Hierarchy, by Category) (Details) - USD ($) $ in Thousands	Jan. 31, 2017	Oct. 31, 2016
Deferred Compensation Plans [Abstract]
Deferred compensation plans	$ 106,169	$ 93,202
Liabilities:
Contingent consideration	19,045	18,881
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member]
Deferred Compensation Plans [Abstract]
Deferred compensation plans	9,318	7,148
Significant Other Observable Inputs (Level 2) [Member]
Deferred Compensation Plans [Abstract]
Deferred compensation plans	96,851	86,054
Significant Unobservable Inputs (Level 3) [Member]
Liabilities:
Contingent consideration	19,045	18,881
Corporate Owned Life Insurance [Member]
Deferred Compensation Plans [Abstract]
Deferred compensation plans	96,801	86,004
Corporate Owned Life Insurance [Member] | Significant Other Observable Inputs (Level 2) [Member]
Deferred Compensation Plans [Abstract]
Deferred compensation plans	96,801	86,004
Money Market Funds [Member]
Deferred Compensation Plans [Abstract]
Deferred compensation plans	4,123	2,515
Money Market Funds [Member] | Quoted Prices in Active Markets for Identical Assets (Level 1) [Member]
Deferred Compensation Plans [Abstract]
Deferred compensation plans	4,123	2,515
Equity Securities [Member]
Deferred Compensation Plans [Abstract]
Deferred compensation plans	2,206	1,832
Equity Securities [Member] | Quoted Prices in Active Markets for Identical Assets (Level 1) [Member]
Deferred Compensation Plans [Abstract]
Deferred compensation plans	2,206	1,832
Equity Funds [Member]
Deferred Compensation Plans [Abstract]
Deferred compensation plans	1,796	1,758
Equity Funds [Member] | Quoted Prices in Active Markets for Identical Assets (Level 1) [Member]
Deferred Compensation Plans [Abstract]
Deferred compensation plans	1,796	1,758
Other Defined Deferred Compensation Plan [Member]
Deferred Compensation Plans [Abstract]
Deferred compensation plans	1,243	1,093
Other Defined Deferred Compensation Plan [Member] | Quoted Prices in Active Markets for Identical Assets (Level 1) [Member]
Deferred Compensation Plans [Abstract]
Deferred compensation plans	1,193	1,043
Other Defined Deferred Compensation Plan [Member] | Significant Other Observable Inputs (Level 2) [Member]
Deferred Compensation Plans [Abstract]
Deferred compensation plans	$ 50	$ 50