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Basic and Diluted Earnings per Share (Tables) | 9 Months Ended
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Sep. 30, 2018
Earnings Per Share [Abstract] |
Schedule of Earnings Per Share, Basic and Diluted | The following table reconciles the numerator and the denominator of the basic and diluted per share computations for earnings attributable to shareholders:
| Three months ended
| September 30,
(Amounts in thousands, except per share amounts) | Net earnings attributable to shareholders |  | Weighted average shares |  | Earnings per share
2018 |  |  |  |  |
Basic earnings attributable to shareholders | $ | 162,692 |  |  | 173,394 |  |  | $ | 0.94 |
Effect of dilutive potential common shares | — |  |  | 3,779 |  |  | — |
Diluted earnings attributable to shareholders | $ | 162,692 |  |  | 177,173 |  |  | $ | 0.92 |
2017 |  |  |  |  |
Basic earnings attributable to shareholders | $ | 120,263 |  |  | 179,416 |  |  | $ | 0.67 |
Effect of dilutive potential common shares | — |  |  | 2,372 |  |  | — |
Diluted earnings attributable to shareholders | $ | 120,263 |  |  | 181,788 |  |  | $ | 0.66 |
| Nine months ended
| September 30,
(Amounts in thousands, except per share amounts) | Net earnings attributable to shareholders |  | Weighted average shares |  | Earnings per share
2018 |  |  |  |  |
Basic earnings attributable to shareholders | $ | 438,989 |  |  | 174,675 |  |  | $ | 2.51 |
Effect of dilutive potential common shares | — |  |  | 3,772 |  |  | — |
Diluted earnings attributable to shareholders | $ | 438,989 |  |  | 178,447 |  |  | $ | 2.46 |
2017 |  |  |  |  |
Basic earnings attributable to shareholders | $ | 322,378 |  |  | 179,827 |  |  | $ | 1.79 |
Effect of dilutive potential common shares | — |  |  | 2,124 |  |  | — |
Diluted earnings attributable to shareholders | $ | 322,378 |  |  | 181,951 |  |  | $ | 1.77 |

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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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