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Earnings per Share (Tables) | 9 Months Ended
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Sep. 30, 2022
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:
| Three Months Ended September 30, |  | Nine Months Ended September 30,
| 2022 |  | 2021 |  | 2022 |  | 2021
Net earnings | $ | 286,026 |  |  | $ | 263,756 |  |  | $ | 801,797 |  |  | $ | 761,033 |
Basic earnings per common share: |  |  |  |  |  |  |
Net earnings | $ | 2.01 |  |  | $ | 1.83 |  |  | $ | 5.59 |  |  | $ | 5.29 |
Weighted average shares outstanding | 142,506,000 |  |  | 143,976,000 |  |  | 143,469,000 |  |  | 143,895,000 |
Diluted earnings per common share: |  |  |  |  |  |  |
Net earnings | $ | 2.00 |  |  | $ | 1.81 |  |  | $ | 5.55 |  |  | $ | 5.24 |
Weighted average shares outstanding | 143,257,000 |  |  | 145,440,000 |  |  | 144,413,000 |  |  | 145,220,000 |
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:
| Three Months Ended September 30, |  | Nine Months Ended September 30,
| 2022 |  | 2021 |  | 2022 |  | 2021
Weighted average shares outstanding - Basic | 142,506,000 |  |  | 143,976,000 |  |  | 143,469,000 |  |  | 143,895,000 |
Dilutive effect of assumed exercise of SARs and vesting of performance shares and RSUs | 751,000 |  |  | 1,464,000 |  |  | 944,000 |  |  | 1,325,000 |
Weighted average shares outstanding - Diluted | 143,257,000 |  |  | 145,440,000 |  |  | 144,413,000 |  |  | 145,220,000 |

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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://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=124432515&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 https://asc.fasb.org/extlink&oid=124432515&loc=d3e3550-109257 + Details
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