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ACQUISITION (Details) - USD ($)
$ in Thousands
12 Months Ended
Oct. 01, 2018
Dec. 31, 2018
Dec. 31, 2017
Details of Acquisition [Abstract]      
Net sales   $ 548,184 $ 491,611
BCMZ [Member]      
Details of Acquisition [Abstract]      
Purchase price in cash $ 2,600    
Net sales   500  
Identifiable assets acquired 2,986    
BCMZ [Member] | Maximum [Member]      
Details of Acquisition [Abstract]      
Acquisition-related costs   $ 100  
BCMZ [Member] | Customer Relationships [Member]      
Details of Acquisition [Abstract]      
Identifiable assets acquired $ 400    
Estimated future life   10 years