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Earnings Per Share | 6 Months Ended
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Jun. 30, 2023
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 and six months ended June 30, 2023 and 2022 is as follows (in thousands, except per share data):
|  | Three Months Ended June 30, |  | Six Months Ended June 30,
|  | 2023 |  | 2022 |  | 2023 |  | 2022
Net income |  | $ | 239,702 |  |  | $ | 262,171 |  |  | $ | 454,537 |  |  | $ | 480,123 |
Denominator for basic earnings per share |  | 73,887 |  |  | 76,769 |  |  | 73,705 |  |  | 77,250 |
Dilutive securities |  | 1,114 |  |  | 1,470 |  |  | 1,058 |  |  | 1,512 |
Denominator for diluted earnings per share |  | 75,001 |  |  | 78,239 |  |  | 74,763 |  |  | 78,762 |
Basic earnings per share |  | $ | 3.24 |  |  | $ | 3.42 |  |  | $ | 6.17 |  |  | $ | 6.22 |
Diluted earnings per share |  | $ | 3.20 |  |  | $ | 3.35 |  |  | $ | 6.08 |  |  | $ | 6.10 |
Diluted earnings per share for the three months ended June 30, 2023 and 2022 excludes the effect of 2.2 million and 2.3 million shares, respectively, of common stock that may be issued upon the exercise of employee stock options because such effect would be anti-dilutive. Diluted earnings per share also excludes the effect of an immaterial amount of performance-based restricted stock for which the performance criteria have not yet been achieved for the three month periods ended June 30, 2023 and 2022.

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- Definition The entire disclosure for earnings per share. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 260 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482662/260-10-50-1 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 260 -Name Accounting Standards Codification -Publisher FASB -URI https://asc.fasb.org//260/tableOfContent Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 260 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482662/260-10-50-2 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 260 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482662/260-10-50-3 + Details
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