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WARRANTY COSTS AND OTHER CONTINGENCIES (Tables)
6 Months Ended
Jun. 30, 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
    (824 )     (838 )
Add:  Warranty provision for the period
    1,271       1,131  
           Changes to warranty provision for prior periods
    167       61  
Balance at June 30
  $ 3,136     $ 2,327