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Summary of Significant Accounting Policies (Tables) | 12 Months Ended
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Sep. 30, 2012
Summary of Significant Accounting Policies [Abstract] |
Dilutive effect of the Company's stock options |
|  | September 30, |
|  | 2012 |  |  | 2011 |
Net income |  | $ | 6,548 |  |  | $ | 7,449 |
Weighted-average common shares outstanding (basic) |  |  | 5,317 |  |  |  | 5,271 |
Effect of dilutive securities: |  |  |  |  |  |  |  |
Stock options |  |  | 15 |  |  |  | 38 |
Restricted shares |  |  | 6 |  |  |  | 8 |
Performance shares |  |  | 42 |  |  |  | 7 |
Weighted-average common shares outstanding (diluted) |  |  | 5,380 |  |  |  | 5,324 |
Net income per share – basic |  | $ | 1.23 |  |  | $ | 1.41 |
Net income per share – diluted |  | $ | 1.22 |  |  | $ | 1.40 |
Effects of mark-to-market valuation of interest rate swap agreement |
Interest rate swap agreement market value adjustment |  | $ | (93 | )
Tax effect of interest rate swap agreement market value adjustment |  |  | 35 |
Net interest rate swap agreement market value adjustment |  | $ | (58 | )
Components of accumulated other comprehensive loss |
|  | 2012 |  |  | 2011 |
Foreign currency translation adjustment, net of income tax benefit of $200 and $410, respectively |  | $ | (5,566 | ) |  | $ | (5,770 | )
Net retirement plan liability adjustment, net of income tax benefit of $4,090 and $4,157, respectively |  |  | (6,720 | ) |  |  | (6,932 | )
Interest rate swap agreement, net of income tax benefit of $35 in 2012 |  |  | (58 | ) |  |  | 0 |
Total accumulated other comprehensive loss |  | $ | (12,344 | ) |  | $ | (12,702 | )

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- Definition Tabular disclosure of the components of accumulated other comprehensive income (loss). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 14A -URI http://asc.fasb.org/extlink&oid=20435746&loc=SL7669686-108580 + Details
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- Definition Tabular disclosure of the reconciliation of basic net earnings per share (or unit) to diluted earnings per share (or unit). + 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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- Definition Tabular disclosure of interest rate derivatives, including, but not limited to, the fair value of the derivatives, statement of financial position location, and statement of financial performance location of these instruments. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4C -URI http://asc.fasb.org/extlink&oid=7476318&loc=SL5624171-113959 + Details
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