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Earnings per Share (Tables) | 12 Months Ended
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Dec. 31, 2018
Earnings Per Share [Abstract] |
Reconciliation of information used in computing basic and diluted earnings per share | The following table sets forth a reconciliation of the information used in computing basic and diluted earnings per share:
| Years Ended December 31, |  |  |  |
| 2018 |  | 2017 |  | 2016
Earnings from continuing operations | $ | 591,145 |  | $ | 746,663 |  | $ | 502,128
(Loss) earnings from discontinued operations, net | (20,878) |  | 65,002 |  | 6,764
Net earnings | $ | 570,267 |  | $ | 811,665 |  | $ | 508,892
Basic earnings per common share: |  |  |  |  |
Earnings from continuing operations | $ | 3.94 |  | $ | 4.80 |  | $ | 3.23
(Loss) earnings from discontinued operations, net | $ | (0.14) |  | $ | 0.42 |  | $ | 0.04
Net earnings | $ | 3.80 |  | $ | 5.21 |  | $ | 3.28
Weighted average basic shares outstanding | 149,874,000 |  | 155,685,000 |  | 155,231,000
Diluted earnings per common share: |  |  |  |  |
Earnings from continuing operations | $ | 3.89 |  | $ | 4.73 |  | $ | 3.21
(Loss) earnings from discontinued operations, net | $ | (0.14) |  | $ | 0.41 |  | $ | 0.04
Net earnings | $ | 3.75 |  | $ | 5.15 |  | $ | 3.25
Weighted average diluted shares outstanding | 152,133,000 |  | 157,744,000 |  | 156,636,000
Reconciliation of share amounts used in computing earnings per share | The following table is a reconciliation of the share amounts used in computing earnings per share:
| Years Ended December 31, |  |  |  |
| 2018 |  | 2017 |  | 2016
Weighted average shares outstanding - Basic | 149,874,000 |  | 155,685,000 |  | 155,231,000
Dilutive effect of assumed exercise of SARs and vesting of performance shares and RSUs | 2,259,000 |  | 2,059,000 |  | 1,405,000
Weighted average shares outstanding - Diluted | 152,133,000 |  | 157,744,000 |  | 156,636,000

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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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- Definition Tabular disclosure of the weighted average number of shares used in calculating basic net earnings per share (or unit) and diluted earnings per share (or unit). + 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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