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Earnings per Share (Tables) | 6 Months Ended
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Jun. 30, 2024
Earnings per Share [Abstract] |
Computation of Basic and Diluted Earnings Per Share | The following table sets forth the computation of basic and diluted earnings per share:
|  | Three Months Ended |  |  | Six Months Ended |
(in millions of dollars, except per share data) |  | Jun. 30, 2024 |  |  | Jul. 2, 2023 |  |  | Jun. 30, 2024 |  |  | Jul. 2, 2023 |
Net income attributable to Minerals Technologies Inc. |  | $ | 19.7 |  |  | $ | 26.6 |  |  | $ | 66.4 |  |  | $ | 63.6 |
Weighted average shares outstanding |  |  | 32.2 |  |  |  | 32.5 |  |  |  | 32.3 |  |  |  | 32.5 |
Dilutive effect of stock options and deferred restricted stock units |  |  | 0.2 |  |  |  | 0.1 |  |  |  | 0.1 |  |  |  | — |
Weighted average shares outstanding, adjusted |  |  | 32.4 |  |  |  | 32.6 |  |  |  | 32.4 |  |  |  | 32.5 |
Basic earnings per share attributable to Minerals Technologies Inc. |  | $ | 0.61 |  |  | $ | 0.82 |  |  | $ | 2.06 |  |  | $ | 1.96 |
Diluted earnings per share attributable to Minerals Technologies Inc. |  | $ | 0.61 |  |  | $ | 0.82 |  |  | $ | 2.05 |  |  | $ | 1.96 |

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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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