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Acquisitions and Sale of Business (Notes) | 9 Months Ended
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Sep. 30, 2025
Business Combination [Abstract] |
Business Combination [Text Block] | Acquisitions and Sale of Business 2025 Acquisitions On February 17, 2025, the Company acquired the aerospace business of GMT Gummi-Metall-Technik GmbH (“GMT”) for a purchase price of $37.7 million. The fair value of assets acquired and liabilities assumed included $15.5 million of goodwill, $4.6 million of intangible assets, $0.2 million of property and equipment, and $17.4 million of net working capital. Based in Germany, GMT’s aerospace division (“GMT Aerospace”) develops and manufactures a wide range of tie-rods and rubber-metal anti-vibration systems for commercial and military aerospace applications with annual net sales of approximately €22.0 million. GMT Aerospace is part of the Aerospace reportable segment and has been renamed TriMas Aerospace Germany. Sale of Business On January 31, 2025, the Company completed the sale of its Arrow Engine business within the Specialty Products segment for net cash proceeds of $21.0 million. As a result, the Company recorded a pre-tax gain of $0.1 million and $5.4 million for the three and nine months ended September 30, 2025, respectively.

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