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PROPERTY, PLANT AND EQUIPMENT (Tables)
12 Months Ended
Dec. 31, 2020
Property, Plant and Equipment [Abstract]  
Property, Plant and Equipment
Property, plant and equipment, net consist of the following (in thousands):
December 31,
20202019
Land$38,886 $36,794 
Buildings and building improvements149,364 146,210 
Machinery and equipment309,063 287,332 
Construction in progress9,349 36,179 
506,662 506,515 
Less: accumulated depreciation(296,986)(285,169)
$209,676 $221,346