FAIR VALUE MEASUREMENTS (Details Textuals) (USD $)	12 Months Ended									12 Months Ended			12 Months Ended				12 Months Ended
	Oct. 31, 2012	Oct. 31, 2011	Oct. 31, 2010	Oct. 31, 2012 Fair Value, Inputs, Level 3 [Member]	Oct. 31, 2011 Fair Value, Inputs, Level 3 [Member]	Oct. 31, 2012 Ramona Research Inc [Member]	Mar. 19, 2012 Ramona Research Inc [Member]	Mar. 19, 2012 Ramona Research Inc [Member] Fair Value, Inputs, Level 3 [Member]	Oct. 31, 2012 ETG Subsidiary One [Member]	Oct. 31, 2011 ETG Subsidiary One [Member] Fair Value, Inputs, Level 3 [Member]	Oct. 31, 2012 ETG Subsidiary One [Member] Fair Value, Inputs, Level 3 [Member]	Oct. 31, 2010 ETG Subsidiary One [Member] Fair Value, Inputs, Level 3 [Member]	Oct. 31, 2012 Minimum [Member]	Oct. 31, 2012 Maximum [Member]	Oct. 31, 2012 Short Term Portion [Member] Fair Value, Inputs, Level 3 [Member]	Oct. 31, 2012 Long Term Portion [Member] Fair Value, Inputs, Level 3 [Member]	Oct. 31, 2011 Electronic Technologies Group [Member]
Business Acquisition, Contingent Consideration [Line Items]
Impairment of intangible assets	$ 0	$ (4,987,000)	$ (1,438,000)														$ 5,000,000
Employee related deferred compensation plans, specified as other long-term liabilities	40,800,000	30,800,000
Obligation to pay additional Purchase consideration for acquiring a subsidiary that meets certain earnings objectives through fiscal 2012						14,600,000	14,600,000		2,000,000
Fair value of contingent consideration as of the acquisition date	10,897,000	0		10,897,000	0
Business Acquisition, Contingent Consideration, at Fair Value							10,800,000	10,800,000				1,200,000
Fair Value Contingent Consideration Reversal										1,200,000
Fair Value, Measurement with Unobservable Inputs Reconciliations, Recurring Basis, Liability Value	10,897,000	0	1,150,000							0	0
Fair Value Inputs, Long-term Revenue Growth Rate													(8.00%)	20.00%
Fair Value Inputs, Discount Rate	3.50%
Contingent Consideration At Fair Value															$ 1,700,000	$ 9,200,000