COMMITMENTS AND CONTINGENCIES (Details Textuals) (USD $)	12 Months Ended
	Oct. 31, 2011	Oct. 31, 2010	Oct. 31, 2009
Loss Contingencies [Line Items]
Business acquisition contingent consideration potential cash payment two	$ 10,100,000
Operating Leases, Rent Expense, Net	7,632,000	6,963,000	6,274,000
Standby letter of credit to meet the security requirement of its insurance company for potential workers' compensation claims	1,500,000
Contigent Purchase Consideration On Fifth Year [Member]
Loss Contingencies [Line Items]
Obligation to pay additional Purchase consideration for acquiring a subsidiary that meets certain earnings objectives through fiscal 2012	74,000,000
Contigent Purchase Consideration On Fifth Year [Member] | Canadian Dollar [Member]
Loss Contingencies [Line Items]
Obligation to pay additional Purchase consideration for acquiring a subsidiary that meets certain earnings objectives through fiscal 2012	73,000,000
Contigent Purchase Consideration On Third Year [Member]
Loss Contingencies [Line Items]
Obligation to pay additional Purchase consideration for acquiring a subsidiary that meets certain earnings objectives through fiscal 2012	$ 10,100,000