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Earnings per Share (Tables) | 6 Months Ended
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Mar. 31, 2024
Earnings Per Share [Abstract] |
Reconciliation of Numerators and Denominators of Basic and Diluted Earnings Per Share | The following table presents reconciliations for the numerators and denominators of basic and diluted earnings per share (“EPS”) for the quarters and six-month periods ended March 31, 2024 and 2023:
| Quarter Ended March 31, |  | Six Months Ended March 31,
| 2024 |  | 2023 |  | 2024 |  | 2023
| (In thousands, except per share data)
Numerator for diluted and basic earnings per share: |  |  |  |  |  |  |
Net income | $ | 129,799 |  |  | $ | 101,550 |  |  | $ | 250,864 |  |  | $ | 199,193 |
Denominator — share: |  |  |  |  |  |  |
Basic weighted-average shares | 24,819 |  |  | 25,116 |  |  | 24,791 |  |  | 25,080 |
Effect of dilutive securities | 335 |  |  | 303 |  |  | 395 |  |  | 351 |
Diluted weighted-average shares | 25,154 |  |  | 25,419 |  |  | 25,186 |  |  | 25,431 |
Earnings per share: |  |  |  |  |  |  |
Basic | $ | 5.23 |  |  | $ | 4.04 |  |  | $ | 10.12 |  |  | $ | 7.94 |
Diluted | $ | 5.16 |  |  | $ | 4.00 |  |  | $ | 9.96 |  |  | $ | 7.83 |

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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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