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Goodwill | 3 Months Ended
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Mar. 31, 2024
Goodwill and Intangible Assets Disclosure [Abstract] |
Goodwill | 6. Goodwill: The change in the carrying amount of goodwill for the three months ended March 31, 2024 is summarized as follows:
|  | Ecoservices |  | Advanced Materials & Catalysts |  | Total
Balance as of December 31, 2023 |  | $ | 326,589 |  |  | $ | 77,881 |  |  | $ | 404,470 |
Foreign exchange impact |  | — |  |  | (218) |  |  | (218) |
Balance as of March 31, 2024 |  | $ | 326,589 |  |  | $ | 77,663 |  |  | $ | 404,252 |

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