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Income Taxes - Components of Income from Operations Before Income Taxes and Related Provision for Income Taxes (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Income from continuing operations before income taxes:
United States	$ 287,309	$ 224,979	$ 42,491
Foreign	193,641	222,646	85,486
Income from continuing operations before income taxes	480,950	447,625	127,977
Current taxes:
United States	41,428	77,023	17,693
State	8,094	6,149	2,359
Foreign	57,920	30,152	41,938
Current taxes, Total	107,442	113,324	61,990
Deferred taxes:
United States	(2,533)	(16,250)	(23,604)
State and Foreign	(16,855)	11,419	(15,218)
Deferred taxes, Total	(19,388)	(4,831)	(38,822)
Provision for income taxes	$ 88,054	$ 108,493	$ 23,168

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The component of total income tax expense for the period comprised of the increase (decrease) in the entity's state, local and foreign deferred tax assets and liabilities attributable to continuing operations as determined by applying the provisions of the applicable enacted tax laws.

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The portion of earnings or loss from continuing operations before income taxes that is attributable to domestic operations.

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The portion of earnings or loss from continuing operations before income taxes that is attributable to foreign operations, which is defined as Income or Loss generated from operations located outside the entity's country of domicile.

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Amount of income (loss) from continuing operations before deduction of income tax expense (benefit) and income (loss) attributable to noncontrolling interest, and addition of income (loss) from equity method investments.

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