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INVENTORIES (Tables)
3 Months Ended
Mar. 31, 2023
Inventory Disclosure [Abstract]  
Inventories Table Inventories consisted of the following:
 March 31, 2023December 31,
2022
March 31, 2022
 ($ in millions)
Supplies$140.0 $137.6 $131.4 
Raw materials193.5 201.2 189.4 
Work in process211.4 199.6 175.2 
Finished goods721.8 559.3 557.3 
Inventories excluding LIFO reserve1,266.7 1,097.7 1,053.3 
LIFO reserve(176.8)(155.8)(144.1)
Inventories, net$1,089.9 $941.9 $909.2