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INVENTORIES (Tables)
9 Months Ended
Sep. 30, 2023
Inventory Disclosure [Abstract]  
Inventories Table Inventories consisted of the following:
 September 30, 2023December 31,
2022
September 30, 2022
 ($ in millions)
Supplies$150.3 $137.6 $137.2 
Raw materials178.3 201.2 203.4 
Work in process188.4 199.6 189.6 
Finished goods615.5 559.3 569.2 
Inventories excluding LIFO reserve1,132.5 1,097.7 1,099.4 
LIFO reserve(154.8)(155.8)(154.3)
Inventories, net$977.7 $941.9 $945.1