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Earnings per Share | 6 Months Ended
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Jun. 30, 2022
Earnings Per Share [Abstract] |
Earnings Per Share | 18. 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 June 30, |  | Six Months Ended June 30,
| 2022 |  | 2021 |  | 2022 |  | 2021
Net earnings | $ | 289,618 |  |  | $ | 264,508 |  |  | $ | 515,771 |  |  | $ | 497,277 |
Basic earnings per common share: |  |  |  |  |  |  |
Net earnings | $ | 2.01 |  |  | $ | 1.84 |  |  | $ | 3.58 |  |  | $ | 3.46 |
Weighted average shares outstanding | 143,832,000 |  |  | 143,941,000 |  |  | 143,959,000 |  |  | 143,854,000 |
Diluted earnings per common share: |  |  |  |  |  |  |
Net earnings | $ | 2.00 |  |  | $ | 1.82 |  |  | $ | 3.56 |  |  | $ | 3.43 |
Weighted average shares outstanding | 144,669,000 |  |  | 145,118,000 |  |  | 144,998,000 |  |  | 145,040,000 |
The following table is a reconciliation of the share amounts used in computing earnings per share:
| Three Months Ended June 30, |  | Six Months Ended June 30,
| 2022 |  | 2021 |  | 2022 |  | 2021
Weighted average shares outstanding - Basic | 143,832,000 |  |  | 143,941,000 |  |  | 143,959,000 |  |  | 143,854,000 |
Dilutive effect of assumed exercise of SARs and vesting of performance shares and RSUs | 837,000 |  |  | 1,177,000 |  |  | 1,039,000 |  |  | 1,186,000 |
Weighted average shares outstanding - Diluted | 144,669,000 |  |  | 145,118,000 |  |  | 144,998,000 |  |  | 145,040,000 |
Diluted earnings per share amounts are computed using the weighted average number of common shares outstanding and, if dilutive, potential common shares outstanding during the period. Potential common shares consist of the incremental common shares issuable upon the exercise of SARs and vesting of performance shares and RSUs, as determined using the treasury stock method. The weighted average number of anti-dilutive potential common shares excluded from the calculation above were approximately 6,000 and 0 for the three months ended June 30, 2022 and 2021, respectively, and 32,000 and 34,000 for the six months ended June 30, 2022 and 2021, respectively.

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- Definition The entire disclosure for earnings per share. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 3 -URI https://asc.fasb.org/extlink&oid=109243012&loc=SL65017193-207537 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (c) -URI https://asc.fasb.org/extlink&oid=124432515&loc=d3e3550-109257 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -URI https://asc.fasb.org/topic&trid=2144383 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 2 -URI https://asc.fasb.org/extlink&oid=124432515&loc=d3e3630-109257 + Details
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