XML 52 R59.htm IDEA: XBRL DOCUMENT v2.4.0.6
Income Taxes (Components Of The Income Tax Provision) (Details) (USD $)
In Thousands, unless otherwise specified
 12 Months Ended
Dec. 31, 2011
Dec. 31, 2010
Dec. 31, 2009
Income Taxes [Abstract]      
Federal, Current $ 113,290 $ 73,756 $ 93,590
Federal, Deferred 7,486 22,814 6,391
Federal income tax provision (benefit), Total 120,776 96,570 99,981
State, Current 13,895 10,330 11,315
State, Deferred 577 1,561 600
State income tax provision (benefit), Total 14,472 11,891 11,915
Income tax provision (benefit),Total $ 135,248 $ 108,461 $ 111,896