Annual report pursuant to Section 13 and 15(d)

Income Taxes (Components Of The Provision For Income Taxes) (Details)

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Income Taxes (Components Of The Provision For Income Taxes) (Details) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2011
Dec. 31, 2010
Dec. 31, 2009
Income Taxes [Abstract]      
Federal $ 27,470 $ 34,255 $ 7,910
State 9,796 6,896 3,605
Total current income tax expense (benefit) 37,266 41,151 11,515
Federal 39,934 6,695 9,752
State 3,414 929 1,027
Total deferred income tax expense (benefit) 43,348 7,624 10,778
Total provision for income taxes $ 80,614 $ 48,775 $ 22,294