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Stock-Based Compensation (Tables) | 12 Months Ended
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Sep. 30, 2016
Disclosure of Compensation Related Costs, Share-based Payments [Abstract] |
Schedule of Activity Related to Performance Shares | The following is a summary of activity related to performance shares:
| 2016 |  | 2015
| Number of Shares |  | Weighted Average Fair Value at Date of Grant |  | Number of Shares |  | Weighted Average Fair Value at Date of Grant
Outstanding at beginning of year | 98 |  |  | $ | 28.50 |  |  | 174 |  |  | $ | 24.86 |
Restricted shares awarded | 59 |  |  | 9.53 |  |  | 25 |  |  | 29.88 |
Restricted shares earned | (20 | ) |  | 29.59 |  |  | (33 | ) |  | 24.68 |
Performance shares awarded | 102 |  |  | 10.40 |  |  | 56 |  |  | 28.61 |
Performance shares earned | — |  |  | — |  |  | (11 | ) |  | 20.75 |
Awards forfeited | (93 | ) |  | 20.58 |  |  | (113 | ) |  | 25.16 |
Outstanding at end of year | 146 |  |  | $ | 13.07 |  |  | 98 |  |  | $ | 28.50 |

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- Definition Tabular disclosure of the changes in outstanding nonvested shares. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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