v2.4.0.6
Components of Provision for Income Taxes (Detail) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2010
Current:      
Federal $ 169,833 $ 113,406 $ 73,597
State 15,366 10,629 7,381
Foreign 8,593 6,374 6,783
Deferred (26,259) (11,358) (16,358)
Total $ 167,533 $ 119,051 $ 71,403