FAIR VALUE MEASUREMENTS (Details Textuals) (USD $)	9 Months Ended			9 Months Ended
	Jul. 31, 2012	Jun. 30, 2012	Oct. 31, 2011	Jul. 31, 2012 Minimum [Member]	Jul. 31, 2012 Maximum [Member]	Jul. 31, 2012 Corporate Owned Life Insurance [Member]	Oct. 31, 2011 Corporate Owned Life Insurance [Member]	Jul. 31, 2012 Fair Value, Inputs, Level 2 [Member]	Oct. 31, 2011 Fair Value, Inputs, Level 2 [Member]	Jul. 31, 2012 Fair Value, Inputs, Level 2 [Member] Corporate Owned Life Insurance [Member]	Oct. 31, 2011 Fair Value, Inputs, Level 2 [Member] Corporate Owned Life Insurance [Member]	Jul. 31, 2012 Fair Value, Inputs, Level 3 [Member]	Oct. 31, 2011 Fair Value, Inputs, Level 3 [Member]	Jul. 31, 2012 Fair Value, Inputs, Level 3 [Member] Corporate Owned Life Insurance [Member]	Oct. 31, 2011 Fair Value, Inputs, Level 3 [Member] Corporate Owned Life Insurance [Member]	Jul. 31, 2012 Fair Value, Inputs, Level 3 [Member] Short Term Portion [Member]	Jul. 31, 2012 Fair Value, Inputs, Level 3 [Member] Long Term Portion [Member]	Mar. 19, 2012 Ramona Research Inc [Member]	Mar. 19, 2012 Ramona Research Inc [Member] Fair Value, Inputs, Level 3 [Member]
Business Acquisition, Contingent Consideration [Line Items]
Assets held within irrevocable trusts and classified within other assets	$ 39,454,000		$ 31,087,000			$ 35,270,000	$ 26,989,000	$ 35,738,000	$ 27,440,000	$ 35,270,000	$ 26,989,000	$ 577,000	$ 573,000	$ 0	$ 0
Related liabilities of deferred compensation plans, specified as other long-term liabilities	39,000,000		30,800,000							34,800,000	26,700,000
Business Acquisition Contingent Consideration Potential Cash Payment	14,600,000	71,000,000																14,600,000
Business Acquisition, Contingent Consideration, at Fair Value																			10,778,000
Fair Value Inputs, Long-term Revenue Growth Rate				(8.00%)	20.00%
Fair Value Inputs, Discount Rate	3.50%
Contingent Consideration At Fair Value	$ 10,921,000		$ 0					$ 0	$ 0			$ 10,921,000	$ 0			$ 1,600,000	$ 9,300,000