GOODWILL AND OTHER INTANGIBLE ASSETS (Details Textuals) (USD $)	12 Months Ended
	Oct. 31, 2011	Oct. 31, 2010	Oct. 31, 2009
Acquired Indefinite-lived Intangible Assets [Line Items]
Amortization expense related to intangible assets	$ 7,561,000	$ 6,795,000	$ 4,499,000
Estimated Amortization expense related to intangible assets, year one	9,167,000
Estimated Amortization expense related to intangible assets, year two	8,432,000
Estimated Amortization expense related to intangible assets, year three	7,902,000
Estimated Amortization expense related to intangible assets, year four	6,517,000
Estimated Amortization expense related to intangible assets, year five	5,280,000
Estimated Amortization expense related to intangible assets, year, there after	15,623,000
Goodwill recognized expected tax deductible amount	57,000,000	19,000,000
Impairment of intangible assets	4,987,000	1,438,000	300,000
Customer Relationships [Member]
Acquired Indefinite-lived Intangible Assets [Line Items]
Weighted average amortization period (in years)	8
Impairment of intangible assets	4,300,000	1,100,000
Licensing Agreements [Member]
Acquired Indefinite-lived Intangible Assets [Line Items]
Weighted average amortization period (in years)	10
Noncompete Agreements [Member]
Acquired Indefinite-lived Intangible Assets [Line Items]
Weighted average amortization period (in years)	2
Intellectual Property [Member]
Acquired Indefinite-lived Intangible Assets [Line Items]
Weighted average amortization period (in years)	10
Impairment of intangible assets	500,000
Research and Development in Process	518,000
Trade Names [Member]
Acquired Indefinite-lived Intangible Assets [Line Items]
Impairment of intangible assets	$ 200,000	$ 300,000