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Earnings Per Share (Tables) | 3 Months Ended
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Mar. 31, 2017
Earnings Per Share [Abstract] |
Schedule of Calculation of Numerator and Denominator in Earnings Per Share | Reconciliations of the numerator and the denominator of the basic and diluted per share computations for the Company's common stock, for the three months ended March 31, 2017 and 2016, are summarized as follows:
| Three Months Ended March 31,
| 2017 |  | 2016
Numerator |  |  |
Net earnings | $ | 25.4 |  |  | $ | 3.8 |
Denominator |  |  |
Basic weighted average number of common shares outstanding for all classes of common shares | 49.1 |  |  | 47.6 |
Plus: effect of dilutive equity incentive instruments | 2.4 |  |  | 0.9 |
Diluted weighted average number of common shares outstanding for all classes of common shares | 51.5 |  |  | 48.5 |
Earnings per share |  |  |
Basic | $ | 0.52 |  |  | $ | 0.08 |
Diluted | $ | 0.49 |  |  | $ | 0.08 |
Cash dividends paid per common share for all classes of common shares | $ | 0.30 |  |  | $ | 0.30 |

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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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