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Property, Plant, and Equipment (Tables)
9 Months Ended
Sep. 30, 2023
Property, Plant and Equipment [Abstract]  
Property, Plant and Equipment
Property, plant and equipment consist of:
September 30, 2023December 31, 2022
Land and land improvements$106.1 $106.1 
Buildings and improvements458.2 456.8 
Machinery and equipment2,358.4 2,346.5 
Construction in progress49.3 23.9 
2,972.1 2,933.4 
Less accumulated depreciation and amortization(1,978.3)(1,916.3)
Property, plant and equipment, net$993.8 $1,017.1