Annual report pursuant to Section 13 and 15(d)

Income Taxes (Details 1)

v2.4.0.6
Income Taxes (Details 1) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2011
Dec. 31, 2010
Dec. 31, 2009
Difference between federal tax expense (benefit) at statutory rate and at our effective rate      
Federal tax expense (benefit), at statutory rate $ 154,418 $ 16,678 $ (117,883)
State income tax expense (benefit), net of federal benefit 15,751 1,620 (11,788)
State rate changes 3,851 (2,252)  
Non-deductible expenses 457 4,130 1,849
Other, net 6,209 6,193 (4,945)
Change in valuation allowance (166,452) (21,749) 138,748
Total income tax expense $ 14,234 $ 4,620 $ 5,981