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PRODUCT WARRANTIES (Tables)
3 Months Ended
May 31, 2014
PRODUCT WARRANTIES [Abstract]  
Schedule of Product Warranty Liability

Activity in the accrued warranty costs liability for the three months ended May 31, 2014 and 2013 is as follows (in thousands):

    Three Months Ended
    May 31,
        2014       2013
Balance at beginning of period   $       1,516     $       1,328  
Charged to costs and expenses     252       234  
Deductions     (247 )     (124 )
Balance at end of period   $ 1,521     $ 1,438