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Earnings Per Share (Tables) | 6 Months Ended
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Jun. 30, 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 June 30, |  |  | Six-month period ended June 30, |
|  | 2018 |  |  | 2017 |  |  | 2018 |  |  | 2017 |
Net earnings attributable to controlling interests |  | $ | 114.9 |  |  | $ | 70.0 |  |  | $ | 388.6 |  |  | $ | 298.8 |
Weighted average number of common shares outstanding |  |  | 182.4 |  |  |  | 179.9 |  |  |  | 181.9 |  |  |  | 179.4 |
Dilutive effect of stock options using the treasury stock method |  |  | 3.1 |  |  |  | 1.7 |  |  |  | 3.3 |  |  |  | 1.7 |
Weighted average number of common and common equivalent shares outstanding |  |  | 185.5 |  |  |  | 181.6 |  |  |  | 185.2 |  |  |  | 181.1 |
Basic net earnings per share |  | $ | 0.63 |  |  | $ | 0.39 |  |  | $ | 2.14 |  |  | $ | 1.67 |
Diluted net earnings per share |  | $ | 0.62 |  |  | $ | 0.39 |  |  | $ | 2.10 |  |  | $ | 1.65 |

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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://fasb.org/us-gaap/role/ref/legacyRef -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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