REDEEMABLE NONCONTROLLING INTERESTS (Details Textuals) (USD $)	12 Months Ended							6 Months Ended	12 Months Ended					12 Months Ended			1 Months Ended		12 Months Ended
	Oct. 31, 2013	Oct. 31, 2012	Oct. 31, 2011	Oct. 31, 2013 Subsidiary One [Member] Electronic Technologies Group [Member]	Oct. 31, 2013 Subsidiary One [Member] Flight Support Group [Member]	Oct. 31, 2013 Subsidiary Two [Member] Electronic Technologies Group [Member]	Oct. 31, 2013 Subsidiary Two [Member] Flight Support Group [Member]	Apr. 30, 2011 Subsidiary Three [Member] Electronic Technologies Group [Member]	Oct. 31, 2012 Subsidiary Three [Member] Electronic Technologies Group [Member]	Oct. 31, 2009 Subsidiary Three [Member] Electronic Technologies Group [Member]	Oct. 31, 2007 Subsidiary Three [Member] Electronic Technologies Group [Member]	Oct. 31, 2013 Subsidiary Three [Member] Electronic Technologies Group [Member]	Oct. 31, 2005 Subsidiary Three [Member] Electronic Technologies Group [Member]	Oct. 31, 2010 Subsidiary Three [Member] Flight Support Group [Member]	Oct. 31, 2013 Subsidiary Three [Member] Flight Support Group [Member]	Oct. 31, 2008 Subsidiary Three [Member] Flight Support Group [Member]	Dec. 31, 2012 Subsidiary Four [Member] Flight Support Group [Member]	Feb. 29, 2012 Subsidiary Four [Member] Flight Support Group [Member]	Oct. 31, 2012 Subsidiary Four [Member] Flight Support Group [Member]	Oct. 31, 2011 Subsidiary Four [Member] Flight Support Group [Member]	Oct. 31, 2006 Subsidiary Four [Member] Flight Support Group [Member]	Oct. 31, 2013 Subsidiary Five [Member] Electronic Technologies Group [Member]	Oct. 31, 2013 Subsidiary Five [Member] Flight Support Group [Member]	Oct. 31, 2013 Subsidiary Six [Member]
Business Acquisition [Line Items]
Management's estimate of the aggregate redemption amount of all put rights	$ 59,218,000	$ 67,166,000																				$ 400,000
Estimated Redemption Amount of equity interest redeemable at fair value	48,000,000
Estimated Redemption Amount of equity interest redeemable based on a multiple of future earnings	11,000,000
Percentage of interest acquired in the subsidiary				80.10%	80.10%	82.50%	80.10%						85.00%			80.10%					51.00%		84.00%	80.10%
Noncontrolling Interest, Ownership Percentage by Noncontrolling Owners																						22.00%
Percentage of company total ownership interest												95.90%			82.30%
Exercise of option by Noncontrolling interest holders									10.50%	10.50%	3.00%			2.20%			13.30%	6.70%	20.00%	29.00%
Increase in ownership interest in the subsidiary								10.90%
Deferred acquisition interest												2.60%
Payments For Repurchase Of Redeemable Noncontrolling Interest	$ (16,610,000)	$ (7,616,000)	$ (7,241,000)