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EARNINGS PER SHARE (Tables) | 9 Months Ended
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Sep. 30, 2025
Earnings Per Share [Abstract] |
Schedule of Computation of Earnings Per Share | The computation of basic and diluted earnings per share for Net income attributable to Wabtec shareholders is as follows:
| Three Months Ended September 30, |  | Nine Months Ended September 30,
In millions, except per share data | 2025 |  | 2024 |  | 2025 |  | 2024
Numerator |  |  |  |  |  |  |
Net income attributable to Wabtec shareholders | $ | 310 |  |  | $ | 283 |  |  | $ | 968 |  |  | $ | 844 |
Less: Net income allocated to non-vested restricted stock | (1) |  |  | — |  |  | (3) |  |  | (2) |
Numerator for basic and diluted earnings per common share | $ | 309 |  |  | $ | 283 |  |  | $ | 965 |  |  | $ | 842 |
Denominator |  |  |  |  |  |  |
Weighted average shares outstanding - basic | 170.5 |  |  | 173.4 |  |  | 170.5 |  |  | 175.1 |
Effect of dilutive securities: |  |  |  |  |  |  |
Assumed conversion of dilutive stock-based compensation plans excluding non-vested restricted stock | 0.3 |  |  | 0.3 |  |  | 0.4 |  |  | 0.3 |
Assumed conversion of dilutive non-vested restricted stock | 0.3 |  |  | 0.4 |  |  | 0.3 |  |  | 0.3 |
Weighted average shares outstanding - diluted | 171.1 |  |  | 174.1 |  |  | 171.2 |  |  | 175.7 |
Earnings per common share attributable to Wabtec shareholders |  |  |  |  |  |  |
Basic | $ | 1.81 |  |  | $ | 1.63 |  |  | $ | 5.66 |  |  | $ | 4.81 |
Diluted | $ | 1.81 |  |  | $ | 1.63 |  |  | $ | 5.64 |  |  | $ | 4.80 |

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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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