Earnings (Loss) Per Share (Tables)

6 Months Ended

Jun. 30, 2025

Earnings Per Share [Abstract]

Schedule of Computation of Basic and Diluted Earnings Per Share

The following table sets forth the computation of basic and diluted earnings (loss) per share:

(Dollars and shares in millions, except per share amounts)	Three Months Ended				Six Months Ended
	June 30, 2025		June 30, 2024		June 30, 2025		June 30, 2024
Numerator:
Net income (loss)	$	(73.6)	$	8.1	$	(75.0)	$	15.9
Denominator:
Weighted-average shares outstanding - basic	18.4		18.6		18.4		18.6
Effect of dilutive shares	—		—		—		—
Weighted-average shares outstanding - diluted	18.4		18.6		18.4		18.6
Basic earnings (loss) per share	$	(4.00)	$	0.44	$	(4.08)	$	0.85
Diluted earnings (loss) per share	$	(4.00)	$	0.44	$	(4.08)	$	0.85