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Condensed Consolidated Statement Of Changes In Stockholders' Equity (USD $)
In Thousands
Common Stock [Member]
Treasury Stock [Member]
Additional Paid-In-Capital [Member]
Retained Earnings (Deficit) [Member]
Total
Balance at Dec. 31, 2011 $ 921 $ (602) $ 647,374 $ (13,455) $ 634,238
Balance, shares at Dec. 31, 2011 92,461 22      
Stock-based compensation, shares 654        
Stock-based compensation     1,591   1,591
Vesting of restricted shares 1   (1)    
Treasury stock - tax withholdings, shares (40) 40      
Treasury stock - tax withholdings   (1,181)     (1,181)
Net income       16,441 16,441
Balance at Mar. 31, 2012 $ 922 $ (1,783) $ 648,964 $ 2,986 $ 651,089
Balance, shares at Mar. 31, 2012 93,075 62