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SELECTED FINANCIAL STATEMENT INFORMATION SELECTED FINANCIAL STATEMENT INFORMATION, Accumulated Other Comprehensive Income (Loss) (Details) - USD ($)
$ in Thousands
 12 Months Ended
Oct. 31, 2018
Oct. 31, 2017
Oct. 31, 2016
Accumulated Other Comprehensive Income (Loss) [Line Items]      
Accumulated Other Comprehensive Income (Loss), Balance Start $ (10,556)    
Unrealized gain/(loss) (5,327) $ 15,696 $ (308)
Amortization of unrealized loss (17) (46) 0
Accumulated Other Comprehensive Income (Loss), Balance End (15,256) (10,556)  
Foreign Currency Translation [Member]      
Accumulated Other Comprehensive Income (Loss) [Line Items]      
Accumulated Other Comprehensive Income (Loss), Balance Start (9,533) (23,953)  
Unrealized gain/(loss) (4,837) 14,420  
Amortization of unrealized loss 0 0  
Accumulated Other Comprehensive Income (Loss), Balance End (14,370) (9,533) (23,953)
Pension Benefit Obligation [Member]      
Accumulated Other Comprehensive Income (Loss) [Line Items]      
Accumulated Other Comprehensive Income (Loss), Balance Start (1,023) (1,373)  
Unrealized gain/(loss) 124 321  
Amortization of unrealized loss 13 29  
Accumulated Other Comprehensive Income (Loss), Balance End (886) (1,023) (1,373)
Accumulated Other Comprehensive Income (Loss) [Member]      
Accumulated Other Comprehensive Income (Loss) [Line Items]      
Accumulated Other Comprehensive Income (Loss), Balance Start (10,556) (25,326)  
Unrealized gain/(loss) (4,713) 14,741  
Amortization of unrealized loss 13 29  
Accumulated Other Comprehensive Income (Loss), Balance End $ (15,256) $ (10,556) $ (25,326)