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Consolidated Statement of Stockholders' Equity (Unaudited) (USD $)
In Thousands
Total
Common Stock
Treasury Stock
Additional Paid-in Capital
Accumulated Other Comprehensive Loss
Accumulated Earnings
Beginning balance at Dec. 31, 2011 $ 163,293 $ 460 $ (23,894) $ 85,720 $ (360) $ 101,367
Beginning balance, shares at Dec. 31, 2011   45,955 1,657      
Net income 30,067         30,067
Unrealized gain on hedging derivative, net of taxes of $46 62       62  
Common stock purchased for treasury (1,978) (25,872) (1,978)      
Common stock purchased for treasury, shares 120   120      
Exercise of stock options 3,426 2   3,424    
Exercise of stock options, shares 273 273        
Excess tax benefits from share-based compensation 60     60    
Share-based compensation 3,716 6   3,710    
Share-based compensation, Shares   569 3      
Ending balance at Jun. 30, 2012 $ 198,646 $ 468 $ (25,872) $ 92,914 $ (298) $ 131,434
Ending balance, shares at Jun. 30, 2012   46,797 1,780