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ACQUISITIONS (Details Textuals) - USD ($)
$ in Thousands
3 Months Ended
Jan. 31, 2016
Oct. 31, 2015
Business Acquisition [Line Items]    
Contingent consideration $ 23,141 $ 21,405
Electronic Technologies Group [Member] | Certain Assets [Member]    
Business Acquisition [Line Items]    
Effective Date of Acquisition Dec. 31, 2015  
Description of Acquired Entity designs and manufactures underwater locator beacons used to locate aircraft cockpit voice recorders, flight data recorders, marine ship voyage recorders and other devices which have been submerged under water  
Contingent consideration $ 1,200  
Business Combination, Contingent Consideration Arrangements, Range of Outcomes, Value, High $ 2,000  
Electronic Technologies Group [Member] | Robertson [Member]    
Business Acquisition [Line Items]    
Name of Acquired Entity Robertson Fuel Systems, LLC  
Effective Date of Acquisition Jan. 11, 2016  
Acquisition costs $ 3,200  
Description of Acquired Entity Robertson is a world leader in the design and production of mission-extending, crashworthy and ballistically self-sealing auxiliary fuel systems for military rotorcraft.