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WARRANTY COSTS AND OTHER CONTINGENCIES (Tables)
3 Months Ended
Mar. 31, 2016
WARRANTY COSTS AND OTHER CONTINGENCIES  
Schedule of analysis of warranty accruals
(in thousands)   2016     2015  
Balance at beginning of period   $ 3,405     $ 3,836  
Less: Payments made during the period     (774 )     (374 )
Add: Warranty provision for the period     679       829  
Changes to warranty provision for prior periods     (137 )     (443 )
Balance at March 31   $ 3,173     $ 3,848