REDEEMABLE NONCONTROLLING INTERESTS (Details Textuals) (USD $)	1 Months Ended
	Feb. 29, 2012	Jul. 31, 2012	Oct. 31, 2011
Business Acquisition [Line Items]
Management's estimate of the aggregate redemption amount of all put rights		$ 59,096,000	$ 65,430,000
Estimated Redemption Amount of equity interest redeemable at fair value		34,000,000
Estimated Redemption Amount of equity interest redeemable based on a multiple of future earnings		$ 25,000,000
Percentage Acquired As Additional Equity Interest In Subsidiary	6.70%
Acquisition of interest in the subsidiary	86.70%