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Earnings per Share (Tables) | 3 Months Ended
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Dec. 31, 2014
Earnings Per Share [Abstract] |
Summary of Calculation of Weighted Average Number of Shares Outstanding Used in Computing Basic and Diluted Net Income Loss Per Share | The calculation of the weighted average number of shares outstanding used in computing basic and diluted net income per share was as follows:
|  | Three Months Ended December 31,
|  | 2014 |  | 2013
Weighted average number of shares |  | (In thousands)
Basic shares outstanding |  | 24,827 |  |  | 24,645 |
Dilutive effect related to employee stock plans |  | 99 |  |  | 194 |
Diluted shares outstanding |  | 24,926 |  |  | 24,839 |

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- Definition Tabular disclosure of the weighted average number of shares used in calculating basic net earnings per share (or unit) and diluted earnings per share (or unit). + 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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