Accounts Payable and Accrued Liabilities (Tables)

9 Months Ended

Sep. 30, 2025

Payables and Accruals [Abstract]

Schedule of Components of Accounts Payable and Accrued Liabilities

Accounts payable and accrued liabilities consisted of the following:

(dollars in millions)	September 30, 2025		December 31, 2024
Accounts payable	$	18.0	$	13.4
Accrued liabilities
Research and development expenses	16.6		25.9
Employee expenses	12.9		22.4
Income taxes	3.8		3.2
General and administrative and commercial expenses	3.2		5.1
Professional fees	1.0		1.8
Total accounts payable and accrued liabilities	$	55.5	$	71.8