ACQUISITIONS (Details Textuals) (USD $)	3 Months Ended								12 Months Ended			1 Months Ended	12 Months Ended	1 Months Ended					0 Months Ended	1 Months Ended		1 Months Ended			12 Months Ended				12 Months Ended
	Oct. 31, 2012	Jul. 31, 2012	Apr. 30, 2012	Jan. 31, 2012	Oct. 31, 2011	Jul. 31, 2011	Apr. 30, 2011	Jan. 31, 2011	Oct. 31, 2012	Oct. 31, 2011	Oct. 31, 2010	Nov. 22, 2011 Switchcraft Inc [Member]	Oct. 31, 2012 Switchcraft Inc [Member]	Feb. 28, 2010 Db Control [Member]	Dec. 31, 2010 Blue Aerospace [Member]	Sep. 30, 2011 3 D Plus [Member]	Mar. 19, 2012 Ramona Research Inc [Member]	Oct. 31, 2012 Ramona Research Inc [Member]	Apr. 13, 2012 Moritz Aerospace Inc [Member]	Aug. 31, 2012 CSI Aerospace [Member]	Aug. 01, 2012 CSI Aerospace [Member]	Oct. 31, 2012 Action Research Corporation [Member]	Oct. 05, 2012 Action Research Corporation [Member]	Oct. 31, 2012 FY12 Acquisitions [Member]	Oct. 31, 2012 Electronic Technologies Group [Member]	Oct. 31, 2011 Electronic Technologies Group [Member]	Oct. 31, 2010 Electronic Technologies Group [Member]	Oct. 31, 2009 Electronic Technologies Group [Member]	Oct. 31, 2012 Electronic Technologies Group [Member] 3 D Plus [Member]
Business Acquisition [Line Items]
Date on which the acquirer obtains control of the acquiree												Nov. 22, 2011		Feb. 28, 2010	Dec. 31, 2010	Sep. 30, 2011	Mar. 31, 2012		Apr. 30, 2012	Aug. 31, 2012		Oct. 31, 2012
Acquisition of interest in the subsidiary															80.10%						84.00%	80.10%	80.10%
Name of the entity in which interest is owned												Switchcraft, Inc.		dB Control Corp.	Blue Aerospace LLC	3D Plus SA	Ramona Research, Inc.		Moritz Aerospace, Inc.	CSI Aerospace, Inc.		Action Research Corporation
Business Acquisition, Cost of Acquired Entity, Purchase Price												$ 142,700,000
Description of the acquired entity												Switchcraft is a leading designer and manufacturer of high performance, high reliability and harsh environment electronic connectors and other interconnect products.		dB Control Corp. 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 Plus is a leading designer and manufacturer of three-dimensional microelectronic and stacked memory products used predominately in satellites and also utilized in medical equipment.	Ramona Research designs and manufactures RF and microwave amplifiers, transmitters and receivers primarily used to support military communications on unmanned aerial systems, other aircraft, helicopters and ground-based data/communications systems.		The Moritz Aerospace product line designs and manufactures next generation wireless cabin control systems, solid state power distribution and management systems and fuel level sensing systems for business jets and for general aviation, as well as for the military/defense market segments.	CSI Aerospace is a leading repair and overhaul provider of specialized components for airlines, military and other aerospace related organizations.		Action Research is an FAA-Approved Repair Station that has developed unique proprietary repairs that extend the lives of certain engine and airframe components.
Sales Revenues Net	242,409,000	225,969,000	216,314,000	212,655,000	208,919,000	197,267,000	184,486,000	174,219,000	897,347,000	764,891,000	617,020,000		54,600,000
Net Income	23,791,000	23,128,000	19,043,000	19,185,000	18,514,000	20,402,000	16,830,000	17,074,000	85,147,000	72,820,000	54,938,000		3,600,000
Percentage of interest owned by noncontrolling shareholders															19.90%						16.00%		19.90%
Business Acquisition, Contingent Consideration, at Fair Value																	10,800,000
Additional Purchase Consideration Paid									10,822,000	2,480,000															15,100,000	6,600,000	4,200,000		5,500,000
Accrued Additional Purchase Consideration From Prior Acquisition	2,917,000				11,016,000				2,917,000	11,016,000														1,200,000		4,800,000	4,100,000	1,800,000
Estimate To Acquire Additional Purchase Consideration																	$ 14,600,000	$ 14,600,000