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Consolidated Statements of Shareholders' Equity (USD $) In Thousands, except Share data | Common Stock | Capital in Excess of Par Value | Retained Earnings | Accumulated Other Comprehensive Loss, net of tax | Total
--- | --- | --- | --- | --- | ---
Beginning balance, amount at Sep. 30, 2008 | $ 912 | $ 33,932 | $ 102,473 | $ 38 | $ 137,355
Beginning balance, shares at Sep. 30, 2008 | 9,117,258 |  |  |  |
Exercise of stock options, shares | 31,650 |  |  |  |
Exercise of stock options, amount | 3 | 368 |  |  | 371
Excess tax benefits from exercises of stock options and vesting of restricted stock |  | 80 |  |  | 80
Stock option compensation |  | 381 |  |  | 381
Restricted stock expense |  | 193 |  |  | 193
Shares granted to Directors, shares | 12,000 |  |  |  |
Shares granted to Directors, amount | 1 | 293 |  |  | 294
Restricted stock forfeitures, shares | (1,800) |  |  |  |
Net income |  |  | 3,753 |  | 3,753
Minimum pension liability, net of tax |  |  |  | 9 | 9
Net actuarial loss retiree health, net of tax |  |  |  | (28) | (28)
Ending balance, amount at Sep. 30, 2009 | 916 | 35,247 | 106,226 | 19 | 142,408
Ending balance, shares at Sep. 30, 2009 | 9,159,108 |  |  |  |
Exercise of stock options, shares | 107,100 |  |  |  |
Exercise of stock options, amount | 11 | 721 |  |  | 732
Excess tax benefits from exercises of stock options and vesting of restricted stock |  | 740 |  |  | 740
Stock option compensation |  | 402 |  |  | 402
Restricted stock expense |  | 48 |  |  | 48
Shares granted to Directors, shares | 12,000 |  |  |  |
Shares granted to Directors, amount | 1 | 353 |  |  | 354
Restricted stock forfeitures, shares | (120) |  |  |  |
Net income |  |  | 7,371 |  | 7,371
Minimum pension liability, net of tax |  |  |  | 7 | 7
Net actuarial loss retiree health, net of tax |  |  |  | (6) | (6)
Ending balance, amount at Sep. 30, 2010 | 928 | 37,511 | 113,597 | 20 | 152,056
Ending balance, shares at Sep. 30, 2010 | 9,278,088 |  |  |  |
Exercise of stock options, shares | 54,035 |  |  |  |
Exercise of stock options, amount | 6 | 532 |  |  | 538
Excess tax benefits from exercises of stock options and vesting of restricted stock |  | 322 |  |  | 322
Stock option compensation |  | 370 |  |  | 370
Shares granted to Directors, shares | 10,500 |  |  |  |
Shares granted to Directors, amount | 1 | 333 |  |  | 334
Shares purchased and canceled, shares | (54,600) |  |  |  |
Shares purchased and canceled, amount | (6) | (223) | (1,166) |  | (1,395)
Net income |  |  | 12,211 |  | 12,211
Minimum pension liability, net of tax |  |  |  | 8 | 8
Net actuarial loss retiree health, net of tax |  |  |  | 3 | 3
Ending balance, amount at Sep. 30, 2011 | $ 929 | $ 38,845 | $ 124,642 | $ 31 | $ 164,447
Ending balance, shares at Sep. 30, 2011 | 9,288,028 |  |  |  |

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- Definition Equity impact of the value of stock that has been repurchased during the period and has not been retired and is not held in treasury. Some state laws may mandate the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 29, 30, 31 -Article 5 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21463-112644 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Principles Board Opinion (APB) -Number 12 -Paragraph 10 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Article 3 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Research Bulletin (ARB) -Number 43 -Chapter 1 -Section B -Paragraph 11A -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + Details
Name: | us-gaap_StockRepurchasedDuringPeriodValue
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration