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Goodwill (Tables) | 9 Months Ended
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Sep. 30, 2025
Goodwill and Intangible Assets Disclosure [Abstract] |
Schedule of Goodwill | The carrying amount of goodwill attributable to each reportable segment are as follows:
Goodwill | Rubber |  | Specialty |  | Total
| (In millions)
Balance as of January 1, 2024 | $ | 30.5 |  |  | $ | 45.6 |  |  | $ | 76.1 |
Foreign currency impact | (1.9) |  |  | (2.7) |  |  | (4.6) |
Balance as of December 31, 2024 | 28.6 |  |  | 42.9 |  |  | 71.5 |
Impairment | (32.3) |  |  | (48.5) |  |  | (80.8) |
Foreign currency impact | 3.7 |  |  | 5.6 |  |  | 9.3 |
Balance as of September 30, 2025 1 | $ | — |  |  | $ | — |  |  | $ | — |
1 At September 30, 2025, accumulated goodwill impairment was $80.8 million.

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