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OTHER ASSETS (Tables)
12 Months Ended
Dec. 31, 2023
Other Assets [Abstract]  
Schedule of Other Assets
Included in other assets were the following:
December 31,
20232022
Other Assets($ in millions)
Supply contracts$1,061.8 $1,048.0 
Other56.7 54.5 
Other assets$1,118.5 $1,102.5