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Income Taxes - Components of Income Tax Expense (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Current:
Federal	$ 303,016	$ 288,135	$ 260,222
State	47,010	44,653	41,511
Foreign	30,941	23,352	26,294
Deferred	(21,622)	14,751	(2,337)
Income tax expense, total	$ 359,345	$ 370,891	$ 325,690

Amount of current federal tax expense (benefit) pertaining to income (loss) from continuing operations.

Amount of current state and local tax expense (benefit) pertaining to income (loss) from continuing operations.

Amount of deferred income tax expense (benefit) pertaining to income (loss) from continuing operations.