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Goodwill and Intangible Assets
 12 Months Ended
Dec. 31, 2024
Goodwill and Intangible Assets Disclosure [Abstract]  
Goodwill and Intangible Assets Goodwill and Intangible Assets
The following table presents the changes in the carrying amount of goodwill. Goodwill is included in other noncurrent assets in the consolidated balance sheets.
(in millions)Amount
Balance as of December 31, 2022$5.4 
Foreign currency translation adjustments0.4 
Balance as of December 31, 20235.8 
Foreign currency translation adjustments(0.1)
Balance as of December 31, 2024$5.7 
The following table presents information relating to our recognized intangible assets.
December 31,
2024		December 31,
2023
(dollars in millions)Gross Carrying AmountAccumulated AmortizationNet
Carrying Amount		Gross Carrying AmountAccumulated AmortizationNet
Carrying Amount
Developed product rights (1)
$40.5 $7.7 $32.8 $35.9 $4.0 $31.9 
Acquired IPR&D$3.7 $— 3.7 $3.6 $— 3.6 
Total intangible assets, net$36.5 $35.5 
_________________________
(1) Developed product rights have a useful life of 10 to 16 years.
(2) Acquired IPR&D is considered indefinite lived until the completion or abandonment of the associated research and development efforts.
The following table presents approximate future annual amortization expense for our finite-lived intangible assets as of December 31, 2024.
(in millions)Amount
Year ending December 31, 2025
$3.9 
Year ending December 31, 2026
$3.9 
Year ending December 31, 2027
$3.9 
Year ending December 31, 2028
$3.9 
Year ending December 31, 2029
$3.9 
Thereafter$13.3