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BUSINESS SEGMENT INFORMATION (Tables)
 9 Months Ended
Oct. 31, 2014
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,
 
  
2014
  
2013
  
2014
  
2013
 
  
(in thousands)
  
(in thousands)
 
Revenue:
        
North America (1)
 
$
33,069
  
$
28,571
  
$
93,115
  
$
82,675
 
EMEA
  
23,362
   
21,707
   
73,244
   
63,344
 
Asia Pacific
  
12,485
   
11,236
   
35,688
   
34,379
 
Latin America
  
5,088
     
4,146
   
13,492
     
12,383
 
  
$
74,004
   
$
65,660
  
$
215,539
   
$
192,781
 
 
(1)    Sales into Canada accounted for 2% of North America total revenue for both the three and nine months ended October 31, 2014 and 2013.