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Goodwill and Intangible Assets (Tables) | 12 Months Ended
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Dec. 31, 2022
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, 2020 | $ | 80.9 |  |  | $ | 30.2 |  |  | $ | 111.1 |
Goodwill recorded due to acquisition | 1.7 |  |  | — |  |  | 1.7 |
Goodwill impairment charge | (0.1) |  |  | — |  |  | (0.1) |
Foreign currency translation | (2.4) |  |  | (0.4) |  |  | (2.8) |
Balance, December 31, 2021 | 80.1 |  |  | 29.8 |  |  | 109.9 |
Foreign currency translation | (2.2) |  |  | (0.4) |  |  | (2.6) |
Balance, December 31, 2022 | $ | 77.9 |  |  | $ | 29.4 |  |  | $ | 107.3 |
Schedule of Intangible Assets by Major Class | Intangible assets and accumulated amortization as of December 31 were as follows:
| 2022 |  | 2021
($ in millions) | Cost |  | Accumulated amortization |  | Net |  | Cost |  | Accumulated amortization |  | Net
Patents and licensing | $ | 24.5 |  |  | $ | (20.6) |  |  | $ | 3.9 |  |  | $ | 25.1 |  |  | $ | (19.4) |  |  | $ | 5.7 |
Technology | 3.3 |  |  | (2.2) |  |  | 1.1 |  |  | 3.3 |  |  | (2.0) |  |  | 1.3 |
Trademarks | 1.9 |  |  | (1.8) |  |  | 0.1 |  |  | 2.0 |  |  | (1.9) |  |  | 0.1 |
Customer relationships | 39.6 |  |  | (27.2) |  |  | 12.4 |  |  | 40.1 |  |  | (25.4) |  |  | 14.7 |
Customer contracts | 10.9 |  |  | (10.0) |  |  | 0.9 |  |  | 10.6 |  |  | (9.4) |  |  | 1.2 |
| $ | 80.2 |  |  | $ | (61.8) |  |  | $ | 18.4 |  |  | $ | 81.1 |  |  | $ | (58.1) |  |  | $ | 23.0 |

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