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Condensed Consolidated Statement of Stockholders' Equity (Unaudited) (USD $)
In Thousands
Total
Common Stock Shares
Non-Redeemable Preferred Stock
Capital in Excess of Par Value
Retained Earnings
Treasury Stock - Common
Beginning balance at Dec. 31, 2011 $ 293,270 $ 2,664 $ 3,000 $ 162,092 $ 153,888 $ (28,374)
Beginning balance, shares at Dec. 31, 2011   26,638        
Net income 14,303       14,303  
Dividends paid on preferred stocks (300)       (300)  
Stock-based compensation 415     415    
Exercise of stock options 173 2   171    
Exercise of stock options, shares   19        
Excess income tax benefit associated with stock-based compensation 186     186    
Conversion of redeemable preferred stock to common stock 6     6    
Conversion of redeemable preferred stock to common stock, shares   3        
Ending balance at Mar. 31, 2012 $ 308,053 $ 2,666 $ 3,000 $ 162,870 $ 167,891 $ (28,374)
Ending balance, shares at Mar. 31, 2012   26,660