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Basis of Presentation | 12 Months Ended
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Dec. 31, 2011
Basis of Presentation [Abstract] |
Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block] | Basis of Presentation TriMas Corporation ("TriMas" or the "Company"), and its consolidated subsidiaries, is a global manufacturer and distributor of products for commercial, industrial and consumer markets. The Company is principally engaged in six reportable segments with diverse products and market channels: Packaging, Energy, Aerospace & Defense, Engineered Components, Cequent Asia Pacific and Cequent North America. See Note 18, "Segment Information," for further information on each of the Company's reportable segments.

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