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Property, Plant and Equipment, Net
12 Months Ended
Dec. 31, 2020
Property, Plant and Equipment, Net [Abstract]  
Property, Plant and Equipment, Net PROPERTY, PLANT AND EQUIPMENT, NET
Property, plant and equipment consisted of the following amounts:
(DOLLARS IN THOUSANDS)December 31,
20202019
Asset Type
Land$84,205 $73,170 
Buildings and improvements932,256 831,579 
Machinery and equipment1,524,574 1,366,041 
Information technology251,157 231,858 
Construction in process136,139 188,120 
Total Property, Plant and Equipment2,928,331 2,690,768 
Accumulated depreciation(1,470,146)(1,303,848)
Total Property, Plant and Equipment, Net$1,458,185 $1,386,920 
Depreciation expense was $130.7 million for the year ended December 31, 2020, and $130.2 million and $89.1 million for the years ended December 31, 2019 and 2018, respectively.