FAIR VALUE MEASUREMENTS, Assets and liabilities, measured on recurring basis (Details) (USD $)	Jul. 31, 2014	Oct. 31, 2013
Assets
Deferred compensation plans	$ 69,273,000	$ 57,640,000
Liabilities:
Contingent consideration	9,794,000	29,310,000
Corporate owned life insurance [Member]
Assets
Deferred compensation plans	61,046,000	52,655,000
Money market funds [Member]
Assets
Deferred compensation plans	2,774,000
Equity securities [Member]
Assets
Deferred compensation plans	2,260,000	1,940,000
Mutual funds [Member]
Assets
Deferred compensation plans	1,882,000	1,529,000
Money market deposit accounts [Member]
Assets
Deferred compensation plans		1,470,000
Other [Member]
Assets
Deferred compensation plans	1,311,000	46,000
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member]
Assets
Deferred compensation plans	8,177,000	4,939,000
Liabilities:
Contingent consideration	0	0
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Corporate owned life insurance [Member]
Assets
Deferred compensation plans	0	0
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Money market funds [Member]
Assets
Deferred compensation plans	2,774,000
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Equity securities [Member]
Assets
Deferred compensation plans	2,260,000	1,940,000
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Mutual funds [Member]
Assets
Deferred compensation plans	1,882,000	1,529,000
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Money market deposit accounts [Member]
Assets
Deferred compensation plans		1,470,000
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Other [Member]
Assets
Deferred compensation plans	1,261,000	0
Significant Other Observable Inputs (Level 2) [Member]
Assets
Deferred compensation plans	61,096,000	52,701,000
Liabilities:
Contingent consideration	0	0
Significant Other Observable Inputs (Level 2) [Member] | Corporate owned life insurance [Member]
Assets
Deferred compensation plans	61,046,000	52,655,000
Significant Other Observable Inputs (Level 2) [Member] | Money market funds [Member]
Assets
Deferred compensation plans	0
Significant Other Observable Inputs (Level 2) [Member] | Equity securities [Member]
Assets
Deferred compensation plans	0	0
Significant Other Observable Inputs (Level 2) [Member] | Mutual funds [Member]
Assets
Deferred compensation plans	0	0
Significant Other Observable Inputs (Level 2) [Member] | Money market deposit accounts [Member]
Assets
Deferred compensation plans		0
Significant Other Observable Inputs (Level 2) [Member] | Other [Member]
Assets
Deferred compensation plans	50,000	46,000
Significant Unobservable Inputs (Level 3) [Member]
Assets
Deferred compensation plans	0	0
Liabilities:
Contingent consideration	9,794,000	29,310,000
Significant Unobservable Inputs (Level 3) [Member] | Corporate owned life insurance [Member]
Assets
Deferred compensation plans	0	0
Significant Unobservable Inputs (Level 3) [Member] | Money market funds [Member]
Assets
Deferred compensation plans	0
Significant Unobservable Inputs (Level 3) [Member] | Equity securities [Member]
Assets
Deferred compensation plans	0	0
Significant Unobservable Inputs (Level 3) [Member] | Mutual funds [Member]
Assets
Deferred compensation plans	0	0
Significant Unobservable Inputs (Level 3) [Member] | Money market deposit accounts [Member]
Assets
Deferred compensation plans		0
Significant Unobservable Inputs (Level 3) [Member] | Other [Member]
Assets
Deferred compensation plans	$ 0	$ 0