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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, 2009 $ 916 $ 35,247 $ 106,226 $ 19 $ 142,408
Beginning balance, shares at Sep. 30, 2009 9,159,108        
Exercise of stock options, shares 107,100       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       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 9,288,023        
Exercise of stock options, shares 153,505       153,505
Exercise of stock options, amount 15 1,307     1,322
Excess tax benefits from exercises of stock options and vesting of restricted stock   811     811
Stock option compensation   324     324
Shares granted to Directors, shares 15,000        
Shares granted to Directors, amount 1 319     320
Shares purchased and canceled, shares (15,908)        
Shares purchased and canceled, amount (1) (67) (247)   (315)
Net income     7,808   7,808
Minimum pension liability, net of tax       7 7
Net actuarial loss retiree health, net of tax       (6) (6)
Ending balance, amount at Sep. 30, 2012 $ 944 $ 41,539 $ 132,203 $ 32 $ 174,718
Ending balance, shares at Sep. 30, 2012 9,440,620