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Earnings per Share (Tables) | 12 Months Ended
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Dec. 31, 2020
Earnings Per Share [Abstract] |
Computation of Basic and Diluted Net EPS | The following table sets forth the computation of basic and diluted net earnings per share (in millions, except per share data):
|  | Year Ended December 31, |
|  | 2020 |  |  | 2019 |  |  | 2018 |
Net earnings attributable to controlling interests |  | $ | 818.8 |  |  | $ | 668.8 |  |  | $ | 633.5 |
Weighted average number of common shares outstanding |  |  | 191.0 |  |  |  | 186.0 |  |  |  | 182.7 |
Dilutive effect of stock options using the treasury stock method |  |  | 4.0 |  |  |  | 4.1 |  |  |  | 3.5 |
Weighted average number of common and common equivalent shares outstanding |  |  | 195.0 |  |  |  | 190.1 |  |  |  | 186.2 |
Basic net earnings per share |  | $ | 4.29 |  |  | $ | 3.60 |  |  | $ | 3.47 |
Diluted net earnings per share |  | $ | 4.20 |  |  | $ | 3.52 |  |  | $ | 3.40 |

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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=6371337&loc=d3e3550-109257 + Details
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