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WARRANTY LIABILITIES (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 30, 2019
Mar. 31, 2018
Warranty liability activity [Roll Forward]    
Beginning balance $ 22,807 $ 19,405
Settlements in cash or kind (4,125) (3,008)
Warranties issued and adjustments to preexisting warranties 3,384 3,777
Ending balance $ 22,066 $ 20,174