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Earnings per Share (Tables) | 9 Months Ended
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Jun. 30, 2014
Earnings Per Share [Abstract] |
Earnings per share computations |
| Three Months ended |  | Nine Months ended
| June 30, |  | June 30,
| 2014 |  | 2013 |  | 2014 |  | 2013
Weighted average common shares |  |  |  |  |  |  |
outstanding during the period |  |  |  |  |  |  |
- shares used for basic |  |  |  |  |  |  |
earnings per common share |  | 9,651 |  |  |  | 9,549 |  |  |  | 9,613 |  |  |  | 9,511 |
Common shares issuable under |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
share based payment plans |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
which are potentially dilutive |  | 67 |  |  |  | 76 |  |  |  | 87 |  |  |  | 81 |
Common shares used for diluted |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
earnings per common share |  | 9,718 |  |  |  | 9,625 |  |  |  | 9,700 |  |  |  | 9,592 |
Net income | $ | 3,485 |  |  |  | 3,002 |  |  |  | 7,529 |  |  |  | 8,396 |
Earnings per common share |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Basic | $ | 0.36 |  |  |  | 0.31 |  |  |  | 0.78 |  |  |  | 0.88 |
Diluted | $ | 0.36 |  |  |  | 0.31 |  |  |  | 0.78 |  |  |  | 0.88 |

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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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