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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details 6) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Feb. 28, 2013
Feb. 29, 2012
Accrual for warranty returns    
Beginning balance $ 26,665 $ 24,021
Additions to accrual 35,723 28,529
Reductions of the accrual - payments and credits issued (37,127) (25,885)
Ending balance $ 25,261 $ 26,665
Minimum
   
Warranties    
Product warranty period 2 years  
Maximum
   
Warranties    
Product warranty period 5 years