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
12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Income Tax Disclosure [Abstract]      
Federal $ 126,903 $ 120,437 $ 123,598
State 20,111 21,248 15,858
Total current income tax expense (benefit) 147,014 141,685 139,456
Federal 29,354 38,549 21,542
State 5,454 5,093 4,002
Total deferred income tax expense (benefit) 34,808 43,642 25,544
Total provision for income taxes $ 181,822 $ 185,327 $ 165,000