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BUSINESS SEGMENT INFORMATION (Details)
$ in Thousands
3 Months Ended
Apr. 30, 2016
USD ($)
Region
Segment
Apr. 30, 2015
USD ($)
BUSINESS SEGMENT INFORMATION [Abstract]    
Number of geographic regions | Region 4  
Number of operating segments | Segment 1  
Revenues From External Customers And Long Lived Assets [Line Items]    
Revenue $ 65,397 $ 69,265
Percentage of sales into Canada of North America total revenue 2.00% 2.00%
North America [Member] | Reportable Geographical Components [Member]    
Revenues From External Customers And Long Lived Assets [Line Items]    
Revenue [1] $ 29,519 $ 30,222
EMEA [Member] | Reportable Geographical Components [Member]    
Revenues From External Customers And Long Lived Assets [Line Items]    
Revenue 19,792 21,802
Asia Pacific [Member] | Reportable Geographical Components [Member]    
Revenues From External Customers And Long Lived Assets [Line Items]    
Revenue 11,680 11,725
Latin America [Member] | Reportable Geographical Components [Member]    
Revenues From External Customers And Long Lived Assets [Line Items]    
Revenue $ 4,406 $ 5,516
[1] Sales into Canada accounted for 2% of North America total revenue in each of the three months ended April 30, 2016 and 2015.