v3.26.1
Earnings and Dividends per Common Share (Tables)
 6 Months Ended
Jun. 30, 2026
Earnings Per Share [Abstract]  
Summary of Computation of Basic and Diluted Earnings per Common Share
The following table sets forth the computation of basic and diluted earnings per common share:
Three Months Ended
June 30,		Six Months Ended
June 30,
2026202520262025
(Dollars in millions, except share and per share amounts)
Net (loss) income$(147.5)$16.4 $(140.4)$2.5 
Weighted average common shares outstanding (in thousands):
Basic19,12819,88319,33820,123
Effect of dilutive securities03520333
Diluted19,12820,23519,33820,456
(Loss) earnings per common share:
Basic$(7.71)$0.83 $(7.26)$0.13 
Diluted$(7.71)$0.81 $(7.26)$0.12 
Antidilutive securities excluded from computation of diluted
 earnings per common share		701714715771