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Consolidated Statements of Stockholders' Equity (USD $)
In Thousands, except Share data
Total
Treasury Stock
Common Stock
Additional Paid-in Capital
Retained Earnings
Accumulated Other Comprehensive Income (Loss)
Balance at Jul. 31, 2009   $ (73,684) $ 5,732 $ 94,367 $ 677,548 $ 1,070
Balance (in shares) at Jul. 31, 2009   1,877,339 57,318,263      
Net income 110,064       110,064  
Shares purchased (in shares)   3,980,000        
Shares purchased   (115,420)        
Stock option activity (in shares) 586   586      
Stock option activity       16    
Cash dividends - $.60 in 2012, $.40 in 2011 , $.78 in 2010 per common share         (42,408)  
Unrealized appreciation on investments, net of tax 368         368
Foreign currency translation adjustment, net of tax (1,762)         (1,762)
Stock compensation expense       1,387    
Balance at Jul. 31, 2010   (189,104) 5,732 95,770 745,204 (324)
Balance (in shares) at Jul. 31, 2010   5,857,339 57,318,849      
Net income 106,273       106,273  
Stock option activity (in shares) 78,500   78,500      
Stock option activity     8 1,549    
Cash dividends - $.60 in 2012, $.40 in 2011 , $.78 in 2010 per common share         (22,329)  
Unrealized appreciation on investments, net of tax 257         257
Heartland acquisition (in shares)     4,300,000      
Heartland acquisition 90,531   430 90,101    
Stock compensation expense       2,707    
Balance at Jul. 31, 2011 836,274 (189,104) 6,170 190,127 829,148 (67)
Balance (in shares) at Jul. 31, 2011   5,857,339 61,697,349      
Net income 121,739       121,739  
Shares purchased (in shares)   3,000,000        
Shares purchased   (77,000)        
Stock option activity (in shares) 80,500          
Stock option and restricted stock activity (in shares)     80,500      
Stock option and restricted stock activity     8 1,433    
Cash dividends - $.60 in 2012, $.40 in 2011 , $.78 in 2010 per common share         (32,322)  
Unrealized appreciation on investments, net of tax 7         7
Stock compensation expense       688    
Balance at Jul. 31, 2012 $ 850,827 $ (266,104) $ 6,178 $ 192,248 $ 918,565 $ (60)
Balance (in shares) at Jul. 31, 2012   8,857,339 61,777,849