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Earnings Per Share (Tables) | 9 Months Ended
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Sep. 30, 2024
Earnings Per Share [Abstract] |
Computation of earnings per share and reconciliation of basic and diluted weighted average common shares outstanding |
|  | Three Months Ended |  | Nine Months Ended
|  | September 30, |  | September 30,
|  | 2024 |  | 2023 |  | 2024 |  | 2023
Net income |  | $ | 125,701 |  |  | $ | 137,843 |  |  | $ | 397,025 |  |  | $ | 471,792 |
Amounts allocated to participating securities |  | (654) |  |  | (726) |  |  | (2,071) |  |  | (2,504) |
Net income attributable to common stockholders |  | $ | 125,047 |  |  | $ | 137,117 |  |  | $ | 394,954 |  |  | $ | 469,288 |
Weighted average common shares outstanding: |  |  |  |  |  |  |  |
Basic |  | 37,983 |  |  | 38,735 |  |  | 38,104 |  |  | 38,816 |
Effect of dilutive securities: |  |  |  |  |  |  |  |
Stock options and employee stock purchase plan |  | 204 |  |  | 288 |  |  | 226 |  |  | 296 |
Diluted |  | 38,187 |  |  | 39,023 |  |  | 38,330 |  |  | 39,112 |
Earnings per share attributable to common stockholders: |  |  |  |  |  |  |  |
Basic |  | $ | 3.29 |  |  | $ | 3.54 |  |  | $ | 10.37 |  |  | $ | 12.09 |
Diluted |  | $ | 3.27 |  |  | $ | 3.51 |  |  | $ | 10.30 |  |  | $ | 12.00 |
Anti-dilutive stock options excluded from diluted earnings per share computations (1) |  | 88 |  |  | 31 |  |  | 57 |  |  | 64 |

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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 -Topic 260 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482662/260-10-50-1 + Details
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