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WIRELESS MATRIX ACQUISITION (Summary of Pro Forma Information) (Details) (Wireless Matrix USA, Inc. [Member], USD $)
In Thousands, except Share data, unless otherwise specified
3 Months Ended 9 Months Ended
Nov. 30, 2012
Nov. 30, 2012
Wireless Matrix USA, Inc. [Member]
   
Business Acquisition [Line Items]    
Revenue $ 50,189 $ 152,404
Net income $ 2,396 $ 7,940
Earnings per share:    
Basic $ 0.07 $ 0.24
Diluted $ 0.07 $ 0.23
Shares used in computing earnings per share:    
Basic 34,285 33,712
Diluted 35,271 34,859