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EARNINGS PER SHARE (Tables)
3 Months Ended
Mar. 31, 2025
Earnings Per Share [Abstract]  
Schedule of Earnings Per Share Reconciliation
A reconciliation of net income and shares used to calculate basic and diluted earnings per share is as follows (dollars in millions and shares in thousands):
Three months ended
March 31,
 20252024
Net income for basic and diluted earnings per share$13.7 $112.3 
Shares:  
Weighted average shares outstanding for basic earnings per share100,743 108,964 
Effect of dilutive securities on weighted average shares:  
Amounts related to employee benefit plans2,327 1,881 
Weighted average shares outstanding for diluted earnings per share103,070 110,845