v2.4.0.8
Allocation of Income Tax Expense (Benefit) (Detail) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Income Taxes [Line Items]      
Continuing operations $ 381,013 $ 359,845 $ 325,292
Discontinued operations (84) (82) (8,873)
Gain (loss) on discontinued operations 8,918   (694)
Income Tax Expense (Benefit), Continuing Operations and Discontinued Operations, Total $ 389,847 $ 359,763 $ 315,725