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Earnings Per Share (Tables) | 12 Months Ended
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Dec. 31, 2021
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) |  | 2021 |  | 2020 |  | 2019
Net income attributable to Amphenol Corporation stockholders: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Net income from continuing operations attributable to Amphenol Corporation | ​ | $ | 1,569.4 | ​ | $ | 1,203.4 | ​ | $ | 1,155.0
Income from discontinued operations attributable to Amphenol Corporation, net of income taxes of ($3.2) for 2021 | ​ | ​ | 21.4 | ​ | ​ | — | ​ | ​ | —
Net income attributable to Amphenol Corporation | ​ | $ | 1,590.8 | ​ | $ | 1,203.4 | ​ | $ | 1,155.0
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Weighted average common shares outstanding — Basic | ​ |  | 597.9 | ​ |  | 596.1 | ​ |  | 595.0
Effect of dilutive stock options | ​ |  | 27.6 | ​ |  | 18.9 | ​ |  | 20.9
Weighted average common shares outstanding — Diluted | ​ |  | 625.5 | ​ |  | 615.0 | ​ |  | 615.9
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Net income per common share attributable to Amphenol Corporation — Basic: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Continuing operations | ​ | $ | 2.62 | ​ | $ | 2.02 | ​ | $ | 1.94
Discontinued operations, net of income taxes | ​ | ​ | 0.04 | ​ | ​ | — | ​ | ​ | —
Net income attributable to Amphenol Corporation — Basic | ​ | $ | 2.66 | ​ | $ | 2.02 | ​ | $ | 1.94
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Net income per common share attributable to Amphenol Corporation — Diluted: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Continuing operations | ​ | $ | 2.51 | ​ | $ | 1.96 | ​ | $ | 1.88
Discontinued operations, net of income taxes | ​ | ​ | 0.03 | ​ | ​ | — | ​ | ​ | —
Net income attributable to Amphenol Corporation — Diluted | ​ | $ | 2.54 | ​ | $ | 1.96 | ​ | $ | 1.88

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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 -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=124432515&loc=d3e3550-109257 + Details
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