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ACQUISITIONS (Tables) (Wireless Matrix USA, Inc. [Member])
3 Months Ended
May 31, 2013
Wireless Matrix USA, Inc. [Member]
 
Business Acquisition [Line Items]  
Summary of Purchase Price Allocation
      Purchase Price                   $      52,986  
  Less cash acquired             (6,149 )
         Net cash paid             46,837  
  Fair value of net assets acquired:                
         Current assets other than cash   $      6,353          
         Property and equipment     1,683          
         Customer lists     14,440          
         Developed/core technology     11,180          
         Other non-current assets     144          
         Current liabilities     (4,155 )        
                Total fair value of net assets acquired             29,645  
  Goodwill           $ 17,192  

Summary of Pro Forma Information
  Pro Forma
  Three Months
  Ended
  May 31,
  2012
Revenue $ 52,014
Net income $ 3,251
Earnings per share:    
Basic $ 0.10
Diluted $ 0.09
Shares used in computing earnings per share:    
Basic   33,100
Diluted   34,438