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EARNINGS PER SHARE (Tables)
6 Months Ended
Jun. 30, 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 endedSix months ended
June 30,June 30,
 2025202420252024
Net income for basic and diluted earnings per share$91.8 $116.3 $113.3 $228.6 
Shares:  
Weighted average shares outstanding for basic earnings per share98,572 107,731 99,658 108,347 
Effect of dilutive securities on weighted average shares:  
Amounts related to employee benefit plans1,814 1,527 2,070 1,705 
Weighted average shares outstanding for diluted earnings per share100,386 109,258 101,728 110,052