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Earnings Per Share (Tables) | 12 Months Ended
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Sep. 30, 2014
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”) during fiscal 2014, 2013 and 2012:
| Year Ended September 30,
| 2014 |  | 2013 |  | 2012
| (In thousands, except per share data)
Numerator for basic and diluted earnings per share — net income | $ | 94,879 |  |  | $ | 90,095 |  |  | $ | 92,004 |
Denominator — share: |  |  |  |  |
Basic weighted-average shares | 33,870 |  |  | 35,332 |  |  | 34,909 |
Effect of dilutive securities | 994 |  |  | 960 |  |  | 1,154 |
Diluted weighted-average shares | 34,864 |  |  | 36,292 |  |  | 36,063 |
Earnings per share: |  |  |  |  |
Basic | $ | 2.80 |  |  | $ | 2.55 |  |  | $ | 2.64 |
Diluted | $ | 2.72 |  |  | $ | 2.48 |  |  | $ | 2.55 |

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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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