Description of Business and Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2024

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Schedule of Reconciliation of Cash, Cash Equivalents and Restricted Cash

A reconciliation of cash, cash equivalents and restricted cash to the Consolidated Balance Sheets follows:

(dollars in millions)	December 31, 2024		December 31, 2023		December 31, 2022
Cash and cash equivalents	$	460.7	$	7.8	$	7.7
Cash and cash equivalents included in Current assets held for sale from discontinued operations		—		1.3	$	1.7
Restricted cash included in Other noncurrent assets		5.1		3.4		3.5
Cash, cash equivalents and restricted cash per Consolidated Statements of Cash Flows	$	465.8	$	12.5	$	12.9