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ACQUISITIONS ACQUISITIONS (Details 2) - USD ($)
$ in Thousands
Apr. 30, 2016
Oct. 31, 2015
Assets acquired [Abstract]    
Goodwill $ 868,569 $ 766,639
Electronic Technologies Group [Member]    
Assets acquired [Abstract]    
Goodwill 529,792 $ 429,132
Electronic Technologies Group [Member] | Robertson [Member]    
Assets acquired [Abstract]    
Identifiable intangible assets 123,100  
Goodwill 91,705  
Inventories 27,955  
Property, plant and equipment 7,200  
Accounts receivable 5,000  
Other assets 1,883  
Total assets acquired, excluding cash 256,843  
Liabilities assumed [Abstract]    
Accounts payable 3,174  
Accrued expenses 647  
Total liabilities assumed 3,821  
Net assets acquired, excluding cash $ 253,022