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LOSS PER SHARE (Tables)
3 Months Ended
Mar. 31, 2026
Basic earnings per share [abstract]  
Summary of Calculations of Basic and Diluted Loss per Share
The calculations of basic and diluted loss per share are based on:
Three months ended March 31,
(Dollars in millions, except per share data)20262025
Net loss$(54.3)$(101.0)
Weighted average shares outstanding:
Basic370.2367.5
Diluted370.2367.5
Loss per share:
Basic$(0.15)$(0.27)
Diluted$(0.15)$(0.27)