Income Taxes - Additional Information (Detail) - USD ($)	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Income Taxes [Line Items]
Tax benefits recognized for net operating loss carryforwards	$ 1,200,000	$ 600,000	$ 16,000,000
Investments reinvested outside the country of domicile	3,860,000,000
Estimated deferred tax liability	130,000,000
Foreign earnings included in domestic taxable income	180,400,000	249,700,000	249,000,000
Foreign earnings included in domestic taxable income, domestic taxes	7,100,000	12,200,000	18,600,000
Net operating loss carryforwards	420,600,000
Deferred tax asset related to operating loss carryforwards	83,200,000
Valuation allowance	$ 64,500,000	32,900,000
Carryforward description	The carryforward periods range from four years to indefinite, subject to certain limitations under applicable laws.
Cash paid for income taxes	$ 499,400,000	879,700,000	689,900,000
Unrecognized tax benefits	17,300,000	19,100,000	12,000,000	$ 13,100,000
Unrecognized tax benefits that, if recognized, would affect the effective tax rate	13,900,000	9,900,000	1,100,000
Income related to interest	1,900,000	1,900,000	800,000
Accrued interest expense and penalties	900,000	$ 2,800,000	$ 4,700,000
Unrecognized tax benefits, resulting from intercompany transactions	$ 0
Other Major Jurisdictions | Earliest Tax Year
Income Taxes [Line Items]
Tax year remain subject to examination	2008
Other Major Jurisdictions | Latest Tax Year
Income Taxes [Line Items]
Tax year remain subject to examination	2016
Foreign
Income Taxes [Line Items]
Net operating loss carryforwards	$ 232,800,000
United States
Income Taxes [Line Items]
Net operating loss carryforwards	187,800,000
Net Operating Loss Carryforwards
Income Taxes [Line Items]
Valuation allowance	$ 64,500,000
Minimum
Income Taxes [Line Items]
Operating loss carryforwards periods	4 years
Internal Revenue Service (IRS)
Income Taxes [Line Items]
Tax examinations	The United States Internal Revenue Service has completed examinations of the Company's tax returns for all years through 2011, with the exception of 2009 which remains subject to examination.
Tax year remain subject to examination	2009