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FINANCING ARRANGEMENTS AND CONTRACTUAL CASH OBLIGATIONS (Contractual Cash Obligations) (Details) (USD $)
12 Months Ended
Feb. 28, 2013
Feb. 29, 2012
Feb. 28, 2011
Bank term loan      
2014 $ 917,000    
2015 883,000    
2016       
2017       
2018       
Thereafter       
Total 1,800,000    
Note payable to Navman      
2014 1,407,000    
2015 901,000    
2016 901,000    
2017 256,000    
2018       
Thereafter       
Total 3,465,000    
Operating leases      
2014 1,087,000    
2015 902,000    
2016 849,000    
2017 346,000    
2018 58,000    
Thereafter       
Total 3,242,000    
Purchase obligations      
2014 32,853,000    
2015       
2016       
2017       
2018       
Thereafter       
Total 32,853,000    
Total contractual obligations      
2014 36,264,000    
2015 2,686,000    
2016 1,750,000    
2017 602,000    
2018 58,000    
Thereafter       
Contractual obligation 41,360,000    
Rent expense under operating leases $ 1,707,000 $ 1,566,000 $ 1,918,000