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WARRANTY COSTS AND OTHER CONTINGENCIES (Tables)
6 Months Ended
Jun. 30, 2015
WARRANTY COSTS AND OTHER CONTINGENCIES  
Schedule of analysis of warranty accruals
(in thousands)   2015     2014  
Balance at beginning of period   $ 3,836     $ 3,410  
Less: Payments made during the period     (695 )     (618 )
Add: Warranty provision for the period     1,596       1,438  
   Changes to warranty provision for prior periods     (677 )     108  
Balance at June 30   $ 4,060     $ 4,338