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WARRANTY COSTS AND OTHER CONTINGENCIES (Tables)
6 Months Ended
Jun. 30, 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     (1,428 )     (695 )
Add:  Warranty provision for the period     1,375       1,596  
Changes to warranty provision for prior periods     1       (677 )
Balance at June 30   $ 3,353     $ 4,060