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Goodwill and Intangible Assets (Tables) | 12 Months Ended
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Dec. 31, 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 the consolidated balance sheets.
(in millions) | Amount
Balance as of December 31, 2022 | $ | 5.4 |
Foreign currency translation adjustments | 0.4 |
Balance as of December 31, 2023 | 5.8 |
Foreign currency translation adjustments | (0.1) |
Balance as of December 31, 2024 | $ | 5.7 |
Schedule of Information Relating to our Recognized Intangible Assets | The following table presents information relating to our recognized intangible assets.
|  | December 31, 2024 |  | December 31, 2023
(dollars in millions) |  | Gross Carrying Amount |  | Accumulated Amortization |  | Net Carrying Amount |  | Gross Carrying Amount |  | Accumulated Amortization |  | Net 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.
Schedule of Information Relating to our Recognized Intangible Assets | The following table presents information relating to our recognized intangible assets.
|  | December 31, 2024 |  | December 31, 2023
(dollars in millions) |  | Gross Carrying Amount |  | Accumulated Amortization |  | Net Carrying Amount |  | Gross Carrying Amount |  | Accumulated Amortization |  | Net 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.
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 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 |

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