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BUSINESS SEGMENT INFORMATION (Tables)
 9 Months Ended
Oct. 31, 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
October 31,
  
Nine Months Ended
October 31,
 
  
2015
  
2014
  
2015
  
2014
 
  
(in thousands)
  
(in thousands)
 
Revenue:
        
North America (1)
 
$
32,417
  
$
33,069
  
$
96,168
  
$
93,115
 
EMEA
  
19,376
   
23,362
   
62,730
   
73,244
 
Asia Pacific
  
11,813
   
12,485
   
35,135
   
35,688
 
Latin America
  
4,431
   
5,088
   
14,560
   
13,492
 
  
$
68,037
  
$
74,004
  
$
208,593
  
$
215,539
 
 
(1)Sales into Canada accounted for 2% of North America total revenue in each of the three and nine months ended October 31, 2015 and 2014.