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Earnings per Share (Tables) | 9 Months Ended
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Jun. 30, 2018
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 nine-month periods ended June 30, 2018 and 2017:
| Quarter Ended June 30, |  | Nine Months Ended June 30,
| 2018 |  | 2017 |  | 2018 |  | 2017
| (In thousands, except per share data)
Numerator for diluted and basic earnings per share: |  |  |  |  |  |  |
Net Income | $ | 32,361 |  |  | $ | 25,227 |  |  | $ | 91,935 |  |  | $ | 88,212 |
Denominator - share: |  |  |  |  |  |  |
Basic weighted-average shares | 29,708 |  |  | 30,914 |  |  | 29,924 |  |  | 30,973 |
Effect of dilutive securities | 1,453 |  |  | 1,310 |  |  | 1,417 |  |  | 1,367 |
Diluted weighted-average shares | 31,161 |  |  | 32,224 |  |  | 31,341 |  |  | 32,340 |
Earnings per share: |  |  |  |  |  |  |
Basic | $ | 1.09 |  |  | $ | 0.82 |  |  | $ | 3.07 |  |  | $ | 2.85 |
Diluted | $ | 1.04 |  |  | $ | 0.78 |  |  | $ | 2.93 |  |  | $ | 2.73 |

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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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