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Earnings Per Share | 3 Months Ended
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Mar. 31, 2018
Earnings Per Share [Abstract] |
Earnings Per Share | Earnings Per Share The Company reports basic and diluted earnings per share. Basic earnings per share is computed by dividing net income attributable to shareholders of the Company by the weighted average number of common shares outstanding during the reported period. Diluted earnings per share reflect the potential dilution related to equity-based incentives using the treasury stock method. The calculation and reconciliation of basic and diluted earnings per share for the three month period ended March 31 follows (in thousands, except per share data):
|  | Three Months Ended March 31,
|  | 2018 |  | 2017
Net income |  | $ | 174,937 |  |  | $ | 123,693 |
Denominator for basic earnings per share |  | 89,765 |  |  | 92,108 |
Dilutive securities |  | 3,485 |  |  | 2,452 |
Denominator for diluted earnings per share |  | 93,250 |  |  | 94,560 |
Basic earnings per share |  | $ | 1.95 |  |  | $ | 1.34 |
Diluted earnings per share |  | $ | 1.88 |  |  | $ | 1.31 |
There were 0.8 million anti-dilutive shares during the three months ended 2017. Diluted earnings per share also excludes the effect of 0.2 million shares of performance based restricted stock for which the performance criteria have not yet been achieved for both the three month periods ended March 31, 2018 and 2017, respectively.

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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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