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PRODUCT WARRANTIES (Tables)
6 Months Ended
Aug. 31, 2013
PRODUCT WARRANTIES [Abstract]  
Schedule of Product Warranty Liability

Activity in the accrued warranty costs liability for the six months ended August 31, 2013 and 2012 is as follows (in thousands):

              Six Months Ended
      August 31,
      2013       2012
  Balance at beginning of period   $      1,328     $ 994  
  Charged to costs and expenses     438       429  
  Deductions     (256 )     (174 )
  Balance at end of period   $ 1,510     $      1,249