OTHER INTANGIBLE ASSETS (Details) - USD ($)
$ in Thousands
 6 Months Ended
Apr. 30, 2017
Apr. 30, 2016
Oct. 31, 2016
Other Intangible Assets      
Accumulated Amortization $ (604,495)   $ (571,028)
Net Intangible [1] 109,045    
Total other intangible assets, gross 717,740   717,739
Total other intangible assets, net 113,245   146,711
Expected future amortization of finite-lived intangible assets      
2017 (remaining six months) 11,895    
2018 22,680    
2019 22,133    
2020 21,106    
2021 18,172    
Thereafter 13,059    
Net Intangible [1] 109,045    
Other Intangible Assets (Textuals) [Abstract]      
Aggregate amortization expense of intangible assets 33,466 $ 40,488  
In-process research and development      
Indefinite-lived Intangible Assets [Line Items]      
Indefinite lived intangible assets 4,200   4,200
Developed technology      
Other Intangible Assets      
Gross Intangible 347,727   347,727
Accumulated Amortization (267,663)   (248,128)
Net Intangible 80,064   99,599
Expected future amortization of finite-lived intangible assets      
Net Intangible 80,064   99,599
Patents and licenses      
Other Intangible Assets      
Gross Intangible 7,165   7,165
Accumulated Amortization (6,410)   (6,285)
Net Intangible 755   880
Expected future amortization of finite-lived intangible assets      
Net Intangible 755   880
Customer relationships, covenants not to compete, outstanding purchase orders and contracts      
Other Intangible Assets      
Gross Intangible 358,648   358,647
Accumulated Amortization (330,422)   (316,615)
Net Intangible 28,226   42,032
Expected future amortization of finite-lived intangible assets      
Net Intangible $ 28,226   $ 42,032
[1] Does not include amortization of in-process research and development, as estimation of the timing of future amortization expense would be impractical.