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Earnings Per Share (Tables) | 3 Months Ended
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Mar. 31, 2021
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 three months ended March 31, 2021 and 2020 is as follows (in thousands, except per share data):
|  | Three Months Ended March 31, |  |
|  | 2021 |  | 2020 |  |  |  |
Net income |  | $ | 184,239 |  |  | $ | 147,060 |  |  |  |  |
Denominator for basic earnings per share |  | 83,475 |  |  | 84,902 |  |  |  |  |
Dilutive securities |  | 2,289 |  |  | 3,303 |  |  |  |  |
Denominator for diluted earnings per share |  | 85,764 |  |  | 88,205 |  |  |  |  |
Basic earnings per share |  | $ | 2.21 |  |  | $ | 1.73 |  |  |  |  |
Diluted earnings per share |  | $ | 2.15 |  |  | $ | 1.67 |  |  |  |  |

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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 http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
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