ACQUISITIONS (Details Textuals) (USD $)	12 Months Ended				1 Months Ended	3 Months Ended					1 Months Ended	12 Months Ended	1 Months Ended				1 Months Ended
	Oct. 31, 2011	Oct. 31, 2010	Apr. 30, 2011	Oct. 31, 2009	May 31, 2009 Vpt [Member]	Jul. 31, 2011 Vpt [Member]	Jul. 31, 2010 Vpt [Member]	Oct. 31, 2012 Vpt [Member]	Oct. 31, 2011 Vpt [Member]	Oct. 31, 2009 Vpt [Member]	Oct. 31, 2009 Dukan Seacom [Member]	Oct. 31, 2011 Dukan Seacom [Member]	Feb. 28, 2010 Db Control [Member]	Dec. 31, 2010 Blue Aerospace [Member]	Oct. 31, 2011 Blue Aerospace [Member]	Oct. 31, 2010 Blue Aerospace [Member]	Sep. 30, 2011 Three D Plus [Member]	Oct. 31, 2011 Three D Plus [Member]
Restructuring Cost and Reserve [Line Items]
Acquisition of interest in the subsidiary	80.10%	80.10%	95.90%	82.50%						82.50%						80.10%
Name of the entity in which interest is owned					VPT, Inc						Dukane Seacom, Inc.		dB Control	Blue Aerospace LLC.			3D Plus
Date on which the acquirer obtains control of the acquiree					31-May-09						31-Oct-09		28-Feb-10	31-Dec-10			30-Sep-11
Description of the acquired entity					VPT Inc is a U.S. company that designs and provides power conversion products principally serving the defense, space and aviation industries.						Seacom is a designer and manufacturer of underwater locator beacons used to locate aircraft cockpit voice recorders, flight data recorders, marine ship voyage recorders and various other devices which have been submerged under water.		"dB Control produces high-power devices used in both defense and commercial applications. "	Blue Aerospace is a supplier, distributor, and integrator of military aircraft parts and support services primarily to foreign military organizations allied with the United States.			3D is a leading designer and manufacturer of three-dimensional microelectronic and stacked memory products used predominately in satellites and also utilized in medical equipment.
Adjustments to Goodwill	$ (2,480,000)	$ (1,960,000)				$ 1,300,000	$ 1,300,000					$ 5,300,000
Accrued additional purchase consideration	11,016,000	4,104,000										4,800,000						6,200,000
Percentage of interest owned by noncontrolling shareholders									17.50%						19.90%
Estimate To Acquire Additional Purchase Consideration								$ 10,100,000