Goodwill and Intangible Assets (Tables)

6 Months Ended

Jun. 30, 2024

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of the Carrying Amount of Goodwill

The following table presents the changes in the carrying amount of goodwill. Goodwill is included in other noncurrent assets in our condensed consolidated balance sheets.

(in millions)	Amount
Balance as of December 31, 2023	$	5.8
Foreign currency translation adjustments	(0.1)
Balance as of June 30, 2024	$	5.7

Schedule of Information Relating to our Recognized Intangible Assets

The following table presents information relating to our recognized intangible assets.

		June 30, 2024						December 31, 2023
(dollars in millions)	Useful Life	Gross Carrying Amount		Accumulated Amortization		Net Carrying Amount		Gross Carrying Amount		Accumulated Amortization		Net Carrying Amount
Developed product rights	10 years	$	35.7	$	5.9	$	29.8	$	35.9	$	4.0	$	31.9
Acquired IPR&D	Indefinite	$	3.7	$	—	3.7		$	3.6	$	—	3.6
Total intangible assets, net						$	33.5					$	35.5

Schedule of Information Relating to our Recognized Intangible Assets

The following table presents information relating to our recognized intangible assets.

		June 30, 2024						December 31, 2023
(dollars in millions)	Useful Life	Gross Carrying Amount		Accumulated Amortization		Net Carrying Amount		Gross Carrying Amount		Accumulated Amortization		Net Carrying Amount
Developed product rights	10 years	$	35.7	$	5.9	$	29.8	$	35.9	$	4.0	$	31.9
Acquired IPR&D	Indefinite	$	3.7	$	—	3.7		$	3.6	$	—	3.6
Total intangible assets, net						$	33.5					$	35.5

Schedule of Estimated Annual Amortization Expense for our Finite-Lived Intangible Assets

The following table presents approximate future annual amortization expense for our finite-lived intangible assets as of June 30, 2024.

(in millions)	Amount
2024 (6 months remaining)	$	1.8
2025	$	3.6
2026	$	3.6
2027	$	3.6
2028	$	3.6
Thereafter	$	13.6