Debt (Tables)

9 Months Ended

Sep. 30, 2024

Debt Disclosure [Abstract]

Schedule of Total Debt

Total debt consisted of the following:

	September 30, 2024		December 31, 2023
	(Dollars in millions)
4.875 percent senior notes, due 2029 (“2029 Senior Notes”)	$	500.0	$	500.0
$350.0 revolving credit facility, due 2026 (“Revolving Facility”)	—		—
Total borrowings	$	500.0	$	500.0
Debt issuance costs	(8.2)		(9.7)
Total debt	$	491.8	$	490.3