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Earnings Per Share (Tables) | 9 Months Ended
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Sep. 30, 2025
Earnings Per Share |
Schedule of the reconciliation of basic weighted average common shares outstanding to diluted weighted average common shares outstanding | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Three Months Ended | ​ | Nine Months Ended | ​
​ | ​ | September 30, | ​ | September 30, | ​
(dollars and shares in millions, except per share data) |  | 2025 |  | 2024 |  | 2025 |  | 2024 |
Net income attributable to Amphenol Corporation stockholders | ​ | $ | 1,245.7 | ​ | $ | 604.4 | ​ | $ | 3,074.8 | ​ | $ | 1,677.8 | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Weighted average common shares outstanding — Basic | ​ |  | 1,221.8 | ​ |  | 1,204.9 | ​ |  | 1,215.7 | ​ |  | 1,202.4 | ​
Effect of dilutive stock options | ​ |  | 61.0 | ​ |  | 60.6 | ​ |  | 58.1 | ​ |  | 59.7 | ​
Weighted average common shares outstanding — Diluted | ​ |  | 1,282.8 | ​ |  | 1,265.5 | ​ |  | 1,273.8 | ​ |  | 1,262.1 | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Net income attributable to Amphenol Corporation per common share — Basic | ​ | $ | 1.02 | ​ | $ | 0.50 | ​ | $ | 2.53 | ​ | $ | 1.40 | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Net income attributable to Amphenol Corporation per common share — Diluted | ​ | $ | 0.97 | ​ | $ | 0.48 | ​ | $ | 2.41 | ​ | $ | 1.33 | ​

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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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