Annual report pursuant to Section 13 and 15(d)

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

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Income Taxes (Components Of 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]      
Current income tax provision, Federal $ (66,190) $ (60,326) $ (47,188)
Current income tax provision, State (8,908) (7,523) (7,742)
Current income tax provision (75,098) (67,849) (54,930)
Deferred income tax (provision) benefit, Federal (1,838) 5,104 5,813
Deferred income tax (provision) benefit, State (400) (2,296) 981
Deferred income tax (provision) benefit (2,238) 2,808 6,794
Income tax provision $ (77,336) $ (65,041) $ (48,136)