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Inventories (Tables)
12 Months Ended
Dec. 31, 2021
Inventory Disclosure [Abstract]  
Components of Inventories The components of inventories at December 31, 2021 and 2020, were as follows:
20212020
Raw materials and manufacturing supplies$148.6 $90.9 
Work in process31.6 33.4 
Finished goods46.0 45.9 
Total$226.2 $170.2