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SEGMENT INFORMATION (Schedule of Long-Lived Tangible Assets and net assets, Net by Geographic Area) (Details) - USD ($)
$ in Thousands
Oct. 31, 2018
Oct. 31, 2017
Oct. 31, 2016
Revenues from External Customers and Long-Lived Assets [Line Items]      
Long-Lived Assets $ 14,992 $ 13,784 $ 13,757
Net Assets 222,853 203,085 185,475
United States of America [Member]      
Revenues from External Customers and Long-Lived Assets [Line Items]      
Long-Lived Assets 8,375 7,599 7,846
Foreign Countries [Member]      
Revenues from External Customers and Long-Lived Assets [Line Items]      
Long-Lived Assets 6,617 6,185 5,911
Americas [Member]      
Revenues from External Customers and Long-Lived Assets [Line Items]      
Net Assets 96,348 86,432 84,040
Europe [Member]      
Revenues from External Customers and Long-Lived Assets [Line Items]      
Net Assets 74,558 70,536 60,861
Asia Pacific [Member]      
Revenues from External Customers and Long-Lived Assets [Line Items]      
Net Assets $ 51,947 $ 46,117 $ 40,574