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Property, Plant and Equipment
9 Months Ended
Sep. 30, 2019
Property, Plant and Equipment [Abstract]  
Property, Plant and Equipment Disclosure
7. Property, Plant and Equipment, net
 September 30, 2019December 31, 2018
Land  $48,935  $53,623  
Buildings and improvements  512,985  529,982  
Machinery, equipment and other  1,635,444  1,555,345  
Property, plant and equipment, gross2,197,364  2,138,950  
Accumulated depreciation  (1,376,782) (1,332,453) 
Property, plant and equipment, net$820,582  $806,497  
Depreciation expense totaled $32,145 and $32,514 for the three months ended September 30, 2019 and 2018, respectively. For the nine months ended September 30, 2019 and 2018, depreciation expense was $97,364 and $97,625, respectively.