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WARRANTY COSTS AND OTHER CONTINGENCIES (Tables)
3 Months Ended
Mar. 31, 2013
WARRANTY COSTS AND OTHER CONTINGENCIES  
Schedule of analysis of warranty accruals
(in thousands)
 
2013
   
2012
 
Balance at beginning of period
  $ 2,522     $ 1,973  
Less: Payments made during the period
    (496 )     (419 )
Add:  Warranty provision for the period
    662       566  
          Changes to warranty provision for prior periods
    87       31  
Balance at March 31
  $ 2,775     $ 2,151