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Earnings Per Share (Tables) | 12 Months Ended
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Dec. 31, 2022
Earnings Per Share [Abstract] |
Summary of Earnings Per Share, Basic and Diluted | The calculation and reconciliation of basic and diluted earnings per share for the years ended December 31 (in thousands, except per share data) follows:
|  | 2022 |  | 2021 |  | 2020
Net income |  | $ | 954,327 |  |  | $ | 839,497 |  |  | $ | 704,216 |
Denominator for basic earnings per share |  | 75,598 |  |  | 82,060 |  |  | 84,005 |
Dilutive securities |  | 1,264 |  |  | 2,001 |  |  | 2,714 |
Denominator for diluted earnings per share |  | 76,862 |  |  | 84,061 |  |  | 86,719 |
Basic earnings per share |  | $ | 12.62 |  |  | $ | 10.23 |  |  | $ | 8.38 |
Diluted earnings per share |  | $ | 12.42 |  |  | $ | 9.99 |  |  | $ | 8.12 |

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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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