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BUSINESS SEGMENT INFORMATION (Tables)
 3 Months Ended
Apr. 30, 2015
BUSINESS SEGMENT INFORMATION [Abstract]  
License and subscription revenues assigned to geographic regions
License and subscription revenues are assigned to the geographic regions based on both the proportion of users in each region and sales effort. Maintenance revenue is allocated to the region where the end user customer is located. Services revenue is assigned based on the region where the services are performed.

  
Three Months Ended
April 30,
 
  
2015
  
2014
 
Revenue:
 
(in thousands)
 
North America (1)
 
$
30,222
  
$
29,139
 
EMEA
  
21,802
   
24,151
 
Asia Pacific
  
11,725
   
11,332
 
Latin America
  
5,516
   
3,863
 
  
$
69,265
  
$
68,485
 
 
(1)
Sales into Canada accounted for 2% of North America total revenue in each of the three months ended April 30, 2015 and 2014.