REDEEMABLE NONCONTROLLING INTERESTS (Details Textuals) (USD $)			3 Months Ended
	Apr. 30, 2012	Oct. 31, 2011	Apr. 30, 2012 Aerospace [Member]
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%