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REDEEMABLE NONCONTROLLING INTERESTS (Details Textuals) - USD ($)
$ in Thousands
12 Months Ended
Oct. 31, 2015
Oct. 31, 2014
Oct. 31, 2013
Oct. 31, 2012
Oct. 31, 2006
Oct. 31, 2004
Business Acquisition [Line Items]            
Management's estimate of the aggregate redemption amount of all put rights $ 91,282 $ 39,966        
Estimated Redemption Amount of equity interest redeemable at fair value 76,900          
Estimated Redemption Amount of equity interest redeemable based on a multiple of future earnings 14,400          
Payments For Repurchase Of Redeemable Noncontrolling Interest 0 $ (1,243) $ (16,610)      
Series of Individually Immaterial Business Acquisitions [Member]            
Business Acquisition [Line Items]            
Aggregate Redemption Amount Puttable 35,000          
Potential Redemption Amount Payable $ 20,100          
Subsidiary One [Member] | Electronic Technologies Group [Member]            
Business Acquisition [Line Items]            
Percentage of interest acquired in the subsidiary 95.90%         80.10%
Subsidiary Two [Member] | Flight Support Group [Member]            
Business Acquisition [Line Items]            
Percentage of interest acquired in the subsidiary 80.10%          
Subsidiary Three [Member] | Flight Support Group [Member]            
Business Acquisition [Line Items]            
Percentage of interest acquired in the subsidiary 82.30%          
Subsidiary Four [Member] | Electronic Technologies Group [Member]            
Business Acquisition [Line Items]            
Percentage of interest acquired in the subsidiary 82.50%          
Subsidiary Four [Member] | Flight Support Group [Member]            
Business Acquisition [Line Items]            
Percentage of interest acquired in the subsidiary     13.30% 35.70% 51.00%  
Subsidiary Five [Member] | Flight Support Group [Member]            
Business Acquisition [Line Items]            
Percentage of interest acquired in the subsidiary 80.10%          
Subsidiary Six [Member] | Electronic Technologies Group [Member]            
Business Acquisition [Line Items]            
Percentage of interest acquired in the subsidiary 78.00%