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SIGNIFICANT ACCOUNTING POLICIES (Details 3)
12 Months Ended
Feb. 28, 2013
Building | Minimum
 
Property and equipment, net  
Estimated useful lives 35 years
Building | Maximum
 
Property and equipment, net  
Estimated useful lives 40 years
Computer, network equipment and software
 
Property and equipment, net  
Estimated useful lives 3 years
Vehicles | Minimum
 
Property and equipment, net  
Estimated useful lives 4 years
Vehicles | Maximum
 
Property and equipment, net  
Estimated useful lives 5 years
Office equipment and furniture | Minimum
 
Property and equipment, net  
Estimated useful lives 3 years
Office equipment and furniture | Maximum
 
Property and equipment, net  
Estimated useful lives 5 years