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
Federal
Current	$ 104,224	$ 86,606	$ 100,479
Deferred	(19,811)	11,864	(4,335)
Federal income tax expense, total	84,413	98,470	96,144
State
Current	17,715	12,704	20,219
Deferred	(1,164)	(225)	270
State and local income tax expense, total	16,551	12,479	20,489
Foreign
Current	121,621	106,475	135,152
Deferred	0	0	0
Foreign income tax expense, total	121,621	106,475	135,152
Total
Current	243,560	205,785	255,850
Deferred	(20,975)	11,639	(4,065)
Income tax expense	$ 222,585	$ 217,424	$ 251,785