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Earnings per Common Share | 6 Months Ended
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Jun. 30, 2017
Earnings Per Share [Abstract] |
Earnings per Common Share | Earnings per Common Share The following table sets forth the computation of basic and diluted earnings per common share for the periods presented (in millions, except per share amounts):
|  | For the Three Months Ended |  |  | For the Six Months Ended |
|  | June 30, |  |  | June 30, |
|  | 2017 |  |  | 2016 |  |  | 2017 |  |  | 2016 |
Numerator: |  |  |  |  |  |  |  |
Net income attributable to World Fuel |  | $ | 30.0 |  |  | $ | 30.0 |  |  | $ | 61.4 |  |  | $ | 81.6 |
Denominator: |  |  |  |  |  |  |  |
Weighted average common shares for basic earnings per common share |  | 68.4 |  |  | 69.5 |  |  | 68.5 |  |  | 69.5 |
Effect of dilutive securities |  | 0.3 |  |  | 0.5 |  |  | 0.4 |  |  | 0.5 |
Weighted average common shares for diluted earnings per common share |  | 68.7 |  |  | 70.0 |  |  | 68.9 |  |  | 70.0 |
Weighted average securities which are not included in the calculation of diluted earnings per common share because their impact is anti-dilutive or their performance conditions have not been met |  | 1.9 |  |  | 1.1 |  |  | 1.3 |  |  | 1.2 |
Basic earnings per common share |  | $ | 0.44 |  |  | $ | 0.43 |  |  | $ | 0.90 |  |  | $ | 1.17 |
Diluted earnings per common share |  | $ | 0.44 |  |  | $ | 0.43 |  |  | $ | 0.89 |  |  | $ | 1.17 |

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- Definition The entire disclosure for earnings per share. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -URI http://asc.fasb.org/topic&trid=2144383 + Details
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