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Earnings Per Share (Tables) | 3 Months Ended
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Mar. 31, 2018
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):
|  | Three-month period ended March 31, |
|  | 2018 |  |  | 2017 |
Net earnings attributable to controlling interests |  | $ | 273.7 |  |  | $ | 228.8 |
Weighted average number of common shares outstanding |  |  | 181.5 |  |  |  | 178.9 |
Dilutive effect of stock options using the treasury stock method |  |  | 3.5 |  |  |  | 1.7 |
Weighted average number of common and common equivalent shares outstanding |  |  | 185.0 |  |  |  | 180.6 |
Basic net earnings per share |  | $ | 1.51 |  |  | $ | 1.28 |
Diluted net earnings per share |  | $ | 1.48 |  |  | $ | 1.27 |

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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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