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Earnings Per Share | 12 Months Ended
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Sep. 30, 2013
Earnings Per Share [Abstract] |
Earnings Per Share | 6. Earnings Per Share. The following details the computations of the basic and diluted earnings per common share. (Dollars in thousands, except per share amounts.)
|  | Years Ended September 30
|  | 2013 |  | 2012 |  | 2011
Common shares: |  |  |  |  |  |
Weighted average common shares |  |  |  |  |  |  |  |  |  |  |  |
outstanding during the period - |  |  |  |  |  |  |  |  |  |  |  |
shares used for basic earnings |  |  |  |  |  |  |  |  |  |  |  |
per common share |  |  | 9,523 |  |  |  | 9,360 |  |  |  | 9,284 |
Common shares issuable under share |  |  |  |  |  |  |  |  |  |  |  |
based payment plans which are |  |  |  |  |  |  |  |  |  |  |  |
potentially dilutive |  |  | 82 |  |  |  | 114 |  |  |  | 167 |
Common shares used for diluted |  |  |  |  |  |  |  |  |  |  |  |
earnings per common share |  |  | 9,605 |  |  |  | 9,474 |  |  |  | 9,451 |
Net income |  | $ | 15,385 |  |  |  | 7,808 |  |  |  | 12,211 |
Earnings per common share |  |  |  |  |  |  |  |  |  |  |  |
Basic |  | $ | 1.62 |  |  |  | .83 |  |  |  | 1.32 |
Diluted |  | $ | 1.60 |  |  |  | .82 |  |  |  | 1.29 |
For 2013, 2012 and 2011, 87,550, 164,560, and 140,370 shares, respectively, attributable to outstanding stock options were excluded from the calculation of diluted earnings per share because their inclusion would have been anti-dilutive.

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- Definition The entire disclosure for earnings per share. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 45 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=7655603&loc=d3e1278-109256 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=7655603&loc=d3e1252-109256 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 55 -Paragraph 52 -URI http://asc.fasb.org/extlink&oid=32703322&loc=d3e4984-109258 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.21) -URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688 + Details
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