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Income Taxes - Components of Income from Continuing Operations Before Income Taxes and Related Provision for Income Taxes (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Income from continuing operations before income taxes:
United States	$ 90,401	$ 86,015	$ 29,546
Foreign	69,067	50,378	29,755
Income from continuing operations before income taxes	159,468	136,393	59,301
Current taxes:
United States	15,813	8,361	11,338
State	2,927	1,124	1,159
Foreign	18,021	5,866	14,117
Current taxes, Total	36,761	15,351	26,614
Deferred taxes:
United States	(862)	8,908	(1,730)
State and Foreign	1,272	(3,644)	(1,359)
Deferred taxes, Total	410	5,264	(3,089)
Provision for income taxes	$ 37,171	$ 20,615	$ 23,525

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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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Amount of current income tax expense (benefit) pertaining to taxable income (loss) from continuing operations.

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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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Sum of operating profit and nonoperating income or expense before Income or Loss from equity method investments, income taxes, extraordinary items, and noncontrolling interest.

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