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Earnings per Share (Tables) | 3 Months Ended
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Dec. 31, 2017
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 ended December 31, 2017 and 2016:
| Quarter Ended December 31,
| 2017 |  | 2016
| (In thousands, except per share data)
Numerator for diluted and basic earnings per share: |  |  |
Net Income | $ | 27,299 |  |  | $ | 37,901 |
Denominator - share: |  |  |
Basic weighted-average shares | 30,078 |  |  | 30,989 |
Effect of dilutive securities | 1,483 |  |  | 1,547 |
Diluted weighted-average shares | 31,561 |  |  | 32,536 |
Earnings per share: |  |  |
Basic | $ | 0.91 |  |  | $ | 1.22 |
Diluted | $ | 0.86 |  |  | $ | 1.16 |

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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/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
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