Annual report pursuant to Section 13 and 15(d)

Income Taxes - Reconciliation between Provision for Income Taxes at Statutory Rate and Provision for Income Taxes at Effective Tax Rate (Detail)

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Income Taxes - Reconciliation between Provision for Income Taxes at Statutory Rate and Provision for Income Taxes at Effective Tax Rate (Detail) (USD $)
12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Income Tax Disclosure [Abstract]      
Tax expense at United States statutory rate $ 250,900,000 $ 227,800,000 $ 195,900,000
Increase (decrease) in tax resulting from:      
Differences between U.S. and foreign tax rates on foreign income, including withholding taxes (82,100,000) (97,900,000) (78,100,000)
U.S. tax (benefit) on foreign income net of foreign tax credits (4,700,000) 1,800,000 (8,800,000)
Increase (decrease) in valuation allowances 36,700,000 40,200,000 31,800,000
State taxes, net of federal benefit 5,700,000 7,300,000 5,200,000
Unrecognized tax benefits (10,300,000) 6,600,000 1,100,000
Other (7,000,000) 1,100,000 (2,300,000)
Total $ 189,192,000 $ 186,944,000 $ 144,820,000