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Earnings Per Share (Tables) | 12 Months Ended
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Dec. 31, 2017
Earnings Per Share |
Schedule of the reconciliation of basic weighted average common shares outstanding to diluted weighted average common shares outstanding |
(dollars and shares in millions, except per share data) |  | 2017 |  | 2016 |  | 2015
Net income attributable to Amphenol Corporation shareholders |  | $ | 650.5 |  | $ | 822.9 |  | $ | 763.5
Basic weighted average common shares outstanding |  |  | 305.7 |  |  | 308.3 |  |  | 309.1
Effect of dilutive stock options |  |  | 10.8 |  |  | 6.9 |  |  | 7.4
Diluted weighted average common shares outstanding |  |  | 316.5 |  |  | 315.2 |  |  | 316.5
Earnings per share attributable to Amphenol Corporation shareholders: |  |  |  |  |  |  |  |  |
Basic |  | $ | 2.13 |  | $ | 2.67 |  | $ | 2.47
Diluted |  | $ | 2.06 |  | $ | 2.61 |  | $ | 2.41

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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/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
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