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Summary of Significant Accounting Policies (Tables) | 12 Months Ended
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Sep. 30, 2019
Summary of Significant Accounting Policies |
Number of shares used in calculation of earnings per share | The number of shares used in the calculation of earnings per share for each year presented is as follows: ​
​ | ​ | ​ | ​ | ​ | ​ | ​
(in thousands) |  | 2019 |  | 2018 |  | 2017
Weighted Average Shares Outstanding — Basic |  | 25,946 |  | 25,874 |  | 25,774
Performance- Accelerated Restricted Stock |  | 151 |  | 184 |  | 221
Shares — Diluted |  | 26,097 |  | 26,058 |  | 25,995

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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://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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