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REDEEMABLE NONCONTROLLING INTERESTS (Details Textuals) - USD ($)
$ in Thousands
12 Months Ended
Oct. 31, 2017
Oct. 31, 2016
Oct. 31, 2015
Business Acquisition [Line Items]      
Management's estimate of the aggregate redemption amount of all put rights $ 131,123 $ 99,512  
Estimated Redemption Amount of equity interest redeemable at fair value 82,100    
Estimated Redemption Amount of equity interest redeemable based on a multiple of future earnings 49,000    
Payments For Repurchase Of Redeemable Noncontrolling Interest (3,848) $ (3,599) $ 0
Series of Individually Immaterial Business Acquisitions [Member]      
Business Acquisition [Line Items]      
Aggregate Redemption Amount Puttable 40,400    
Potential Redemption Amount Payable $ 21,000    
FY 2011 Acquisition [Member] | Flight Support Group [Member]      
Business Acquisition [Line Items]      
Noncontrolling Interest, Ownership Percentage by Noncontrolling Owners 19.90%    
Percentage of company total ownership interest 100.00%    
FY 2017 Acquisition [Member]      
Business Acquisition [Line Items]      
Payments For Repurchase Of Redeemable Noncontrolling Interest $ (3,800)    
FY 2016 Acquisition [Member]      
Business Acquisition [Line Items]      
Payments For Repurchase Of Redeemable Noncontrolling Interest $ (3,600)