v2.4.0.8
Income Taxes Schedule of Components of Income Tax Expense (Benefit) (Details) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2010
Current:      
Federal $ 110,825 $ 97,887 $ 75,009
State 19,693 14,435 16,552
Foreign 13,202 3,883 2,483
Current income tax expense, total 143,720 116,205 94,044
Deferred:      
Federal 5,824 8,376 8,928
State (647) 919 598
Foreign (955) 7 (563)
Deferred income tax expense, total 4,222 9,302 8,963
Provision for income taxes $ 147,942 $ 125,507 $ 103,007