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Reconciliation of Provision for Income Taxes at US Federal Statutory Rate to Provision in Statements of Operations (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Reconciliation of Statutory Federal Tax Rate [Line Items]
Provision at US federal statutory rate	$ 384,695	$ 330,766	$ 339,736
Foreign earnings taxed at different rates, including withholding taxes	(165,768)	(157,488)	(139,476)
Foreign losses without income tax benefit	3,215	1,047	2,883
State and local taxes, net of US federal benefit	4,854	6,856	4,833
Adjustments to previously accrued taxes	(32,200)	(16,000)	(6,800)
Other	388	3,400	989
Provision for income taxes	$ 195,184	$ 168,581	$ 202,165

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Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to foreign income tax expense (benefit).

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