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, 2012
Dec. 31, 2011
Dec. 31, 2010
Income Tax Disclosure [Abstract]      
Federal $ 74,074 $ 27,470 $ 34,255
State 11,890 9,796 6,896
Total current income tax expense (benefit) 85,964 37,266 41,151
Federal 14,978 39,934 6,695
State 2,704 3,414 929
Total deferred income tax expense (benefit) 17,682 43,348 7,624
Total provision for income taxes $ 103,646 $ 80,614 $ 48,775