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Earnings Per Common Share (Tables) | 6 Months Ended
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Jun. 30, 2024
Earnings Per Share [Abstract] |
Schedule of Earnings Per Share, Basic and Diluted | The following table sets forth the computation of basic and diluted earnings per common share for the periods indicated:
|  | Three Months Ended June 30, |  | Six Months Ended June 30,
|  | 2024 |  | 2023 |  | 2024 |  | 2023
Numerator for basic and diluted earnings per common share: |  |  |  |  |  |  |  |
Net income attributable to L.B. Foster Company |  | $ | 2,847 |  |  | $ | 3,531 |  |  | $ | 7,283 |  |  | $ | 1,379 |
Denominator: |  |  |  |  |  |  |  |
Weighted average shares outstanding |  | 10,793 |  |  | 10,807 |  |  | 10,777 |  |  | 10,800 |
Denominator for basic earnings per common share |  | 10,793 |  |  | 10,807 |  |  | 10,777 |  |  | 10,800 |
Effect of dilutive securities: |  |  |  |  |  |  |  |
Stock compensation plans |  | 267 |  |  | 71 |  |  | 285 |  |  | 66 |
Dilutive potential common shares |  | 267 |  |  | 71 |  |  | 285 |  |  | 66 |
Denominator for diluted earnings per common share - adjusted weighted average shares outstanding |  | 11,060 |  |  | 10,878 |  |  | 11,062 |  |  | 10,866 |
Basic earnings per common share |  | $ | 0.26 |  |  | $ | 0.32 |  |  | $ | 0.68 |  |  | $ | 0.12 |
Diluted earnings per common share |  | $ | 0.26 |  |  | $ | 0.32 |  |  | $ | 0.66 |  |  | $ | 0.12 |

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- Definition Tabular disclosure of an entity's basic and diluted earnings per share calculations, including a reconciliation of numerators and denominators of the basic and diluted per-share computations for income from continuing operations. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 260 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482662/260-10-50-1 + Details
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