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Average Shares Outstanding (Tables) | 12 Months Ended
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Sep. 30, 2018
Weighted Average Number of Shares Outstanding, Diluted [Abstract] |
Reconciliation Of Basic Weighted-Average Shares Outstanding To Diluted Weighted-Average Shares Outstanding | The following table reconciles basic weighted-average shares outstanding to diluted weighted-average shares outstanding in each fiscal year (in thousands):
|  | 2018 |  | 2017 |  | 2016
Weighted-average shares outstanding — basic |  | 28,499 |  |  | 30,630 |  |  | 33,735 |
Effect of potentially dilutive securities: |  |  |  |  |  |
Nonvested stock awards and units |  | 240 |  |  | 182 |  |  | 188 |
Stock options |  | 40 |  |  | 59 |  |  | 150 |
Performance share awards |  | 28 |  |  | 43 |  |  | 73 |
Weighted-average shares outstanding — diluted |  | 28,807 |  |  | 30,914 |  |  | 34,146 |
Excluded from diluted weighted-average shares outstanding: |  |  |  |  |  |
Antidilutive |  | 150 |  |  | 76 |  |  | 147 |
Performance conditions not satisfied at the end of the period |  | 44 |  |  | 53 |  |  | 38 |

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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://fasb.org/us-gaap/role/ref/legacyRef -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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- References No definition available. + Details
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