Income Taxes - Narrative (Detail) - USD ($)	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Federal statutory tax rate		35.00%	35.00%	35.00%
Tax on foreign earnings		$ 103,500,000
Tax payable on foreign earnings		64,300,000
Adjustment to net deferred tax assets and liabilities		$ 6,800,000
Tax credit carry forward period		8 years
Deferred tax assets, valuation allowance provision		$ 238,300,000	$ 154,100,000
Loss on foreign currency transaction and translation, pre-tax				$ 30,300,000
Net operating loss and other carryforwards expiring between 2017 and 2026		119,600,000
Deferred tax liabilities related to foreign earnings		4,700,000	6,700,000
Undistributed earnings of foreign subsidiaries		837,300,000
Cash payments for income taxes		46,100,000	108,200,000	129,100,000
Cash refunds for income taxes		43,300,000	7,200,000	14,800,000
Excess tax benefit in share base compensation		500,000	2,600,000	3,200,000
Income tax benefit associated with dispositions of employee stock options			2,300,000	3,200,000
Unrecognized tax benefits		30,900,000	41,900,000	51,000,000	$ 58,500,000
Unrecognized tax benefits that would impact effective tax rate		24,300,000
Amount of unrecognized tax benefit that will decrease within 12 months		2,500,000
Total interest benefit related to remaining tax uncertainties		200,000	(500,000)	(100,000)
Penalty amounts recognized		0	0	0
Accrued interest related to income tax uncertainties		4,200,000	4,000,000
Accrued penalties related to income tax uncertainties		0	0
Devaluation of Venezuelan Bolivar
Loss on foreign currency transaction and translation, pre-tax				30,300,000
International
Deferred tax assets, valuation allowance provision				$ 11,300,000
State and Local Jurisdiction
Deferred tax assets, valuation allowance provision			9,500,000
Domestic
Domestic and foreign net operating loss carryforwards		141,100,000	63,300,000
Foreign
Domestic and foreign net operating loss carryforwards		114,000,000	$ 101,600,000
Capital Loss Carry Forward
Pre-tax capital loss		$ 51,600,000
Scenario Forecast
Federal statutory tax rate	21.00%