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Property, Plant and Equipment (Tables)
9 Months Ended
Sep. 30, 2021
Property, Plant and Equipment [Abstract]  
Property, Plant and Equipment [Table Text Block]
Property, plant and equipment consists of the following:
September 30, 2021December 31, 2020
Land and improvements$44,911 $61,226 
Buildings and improvements285,904 298,431 
Machinery and equipment1,308,453 1,277,624 
Construction in progress76,467 96,706 
1,715,735 1,733,987 
Accumulated depreciation(907,069)(841,678)
Property, plant and equipment, net$808,666 $892,309