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Earnings per share (Tables) | 9 Months Ended
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Sep. 30, 2025
Earnings Per Share [Abstract] |
Schedule of Basic and Diluted Earnings per Share | The calculation of the basic and diluted EPS is as follows:
| Three Months Ended September 30, |  | Nine Months Ended September 30,
| 2025 |  | 2024 |  | 2025 |  | 2024
Numerator: |  |  |  |  |  |  |
Net income attributable to Stewart (in $'000) | 44,259 |  |  | 30,096 |  |  | 79,258 |  |  | 50,569 |
Denominator (in '000): |  |  |  |  |  |  |
Basic average shares outstanding | 28,004 |  |  | 27,688 |  |  | 27,922 |  |  | 27,592 |
Average number of dilutive shares relating to options | 201 |  |  | 243 |  |  | 193 |  |  | 217 |
Average number of dilutive shares relating to restricted units | 286 |  |  | 269 |  |  | 271 |  |  | 260 |
Diluted average shares outstanding | 28,491 |  |  | 28,200 |  |  | 28,386 |  |  | 28,069 |
Basic earnings per share attributable to Stewart ($) | 1.58 |  |  | 1.09 |  |  | 2.84 |  |  | 1.83 |
Diluted earnings per share attributable to Stewart ($) | 1.55 |  |  | 1.07 |  |  | 2.79 |  |  | 1.80 |

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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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