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Goodwill and Intangible Assets (Tables) | 12 Months Ended
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Dec. 31, 2025
Goodwill and Intangible Assets Disclosure [Abstract] |
Schedule of Goodwill | The changes in the carrying amount of goodwill by reportable segment were as follows:
($ in millions) | Proprietary Products |  | Contract-Manufactured Products |  | Total
Balance, December 31, 2023 | $ | 78.9 |  |  | $ | 29.6 |  |  | $ | 108.5 |
Foreign currency translation | (2.1) |  |  | (0.4) |  |  | (2.5) |
Balance, December 31, 2024 | 76.8 |  |  | 29.2 |  |  | 106.0 |
Foreign currency translation | 3.8 |  |  | 0.7 |  |  | 4.5 |
Adjustment to goodwill related to business classified as held for sale as of December 31, 2025 | (0.6) |  |  | — |  |  | (0.6) |
Balance, December 31, 2025 | $ | 80.0 |  |  | $ | 29.9 |  |  | $ | 109.9 |
Schedule of Finite-Lived Intangible Assets | Intangible assets and accumulated amortization as of December 31 were as follows:
| 2025 |  | 2024
($ in millions) | Cost |  | Accumulated amortization |  | Net |  | Cost |  | Accumulated amortization |  | Net
Patents and licensing | $ | 24.7 |  |  | $ | (24.1) |  |  | $ | 0.6 |  |  | $ | 24.7 |  |  | $ | (23.0) |  |  | $ | 1.7 |
Technology | 3.3 |  |  | (2.9) |  |  | 0.4 |  |  | 3.3 |  |  | (2.7) |  |  | 0.6 |
Trademarks | 1.2 |  |  | (1.2) |  |  | — |  |  | 1.2 |  |  | (1.2) |  |  | — |
Customer relationships | 39.0 |  |  | (32.5) |  |  | 6.5 |  |  | 38.9 |  |  | (30.8) |  |  | 8.1 |
Customer contracts | 8.1 |  |  | (7.9) |  |  | 0.2 |  |  | 8.0 |  |  | (7.6) |  |  | 0.4 |
| $ | 76.3 |  |  | $ | (68.6) |  |  | $ | 7.7 |  |  | $ | 76.1 |  |  | $ | (65.3) |  |  | $ | 10.8 |

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