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Consolidated Statements of Shareholders' Equity (USD $)
In Thousands
Total
USD ($)
Common Shares Issued
Additional Paid-in Capital
USD ($)
Retained Earnings
USD ($)
Accum Other Comp. Income (Loss)
USD ($)
Comp. Income (Loss)
USD ($)
Beginning balance at Sep. 30, 2008$ 128,489 $ 89,107$ 39,016$ 366$ 0
Beginning balance, Shares at Sep. 30, 2008 40,314    
Cash dividends paid - $0.65, $0.74 and $0.76 per share in years 2009, 2010 and 2011 respectively(26,260)  (26,260)  
Exercise of stock options1,476 1,476   
Exercise of stock options, shares 179    
Stock compensation expense1,092 1,092   
Cost of S-8 registration statement(7) (7)   
Comprehensive income:      
Net earnings32,759  32,759 32,759
Hedging activity, net(3)   (3)(3)
Transfer of investments to trading status270   270270
Other comprehensive income taxes(190)   (190)(190)
Foreign currency translation adjustment279   279279
Comprehensive income     33,115
Ending balance at Sep. 30, 2009137,905 91,66845,5157220
Ending balance, Shares at Sep. 30, 2009 40,493    
Cash dividends paid - $0.65, $0.74 and $0.76 per share in years 2009, 2010 and 2011 respectively(29,985)  (29,985)  
Exercise of stock options995 995   
Exercise of stock options, shares 67    
Issuance of restricted shares, net of forfeitures 94    
Stock compensation expense1,866 1,866   
Comprehensive income:      
Net earnings26,647  26,647 26,647
Other comprehensive income taxes36   3636
Foreign currency translation adjustment(103)   (103)(103)
Comprehensive income     26,580
Ending balance at Sep. 30, 2010137,361 94,52942,1776550
Ending balance, Shares at Sep. 30, 2010 40,654    
Cash dividends paid - $0.65, $0.74 and $0.76 per share in years 2009, 2010 and 2011 respectively(30,943)  (30,943)  
Exercise of stock options2,977 2,977   
Exercise of stock options, shares485485    
Issuance of restricted shares, net of forfeitures 165    
Cancellation of restricted shares (85)    
Conversion of restricted stock units 18    
Stock compensation expense2,504 2,504   
Comprehensive income:      
Net earnings26,831  26,831 26,831
Other comprehensive income taxes114   114114
Foreign currency translation adjustment(320)   (320)(320)
Comprehensive income     26,625
Ending balance at Sep. 30, 2011$ 138,524 $ 100,010$ 38,065$ 449$ 0
Ending balance, Shares at Sep. 30, 2011 41,237