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Income Taxes - Reconciliation of Company's Effective Tax Rate to U.S. Federal Statutory Rate (Detail)	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Income Tax Disclosure [Abstract]
U.S. Federal income tax statutory rate	21.00%	35.00%	35.00%
Federal tax credits	(0.70%)	(0.70%)	(1.80%)
State income taxes, net of federal benefit	1.30%	1.00%	0.80%
Effect of foreign operations taxed at various rates	(1.30%)	(12.10%)	(12.70%)
Qualified production activity tax benefit		(1.40%)	(2.90%)
Foreign derived intangible income	(2.10%)
Global intangible low taxed income, net of foreign tax credits	0.40%
Transition tax, net of foreign tax credits	(0.10%)	6.40%
Revaluation of U.S. deferred income taxes	(0.30%)	(5.00%)
Revaluation of prepaid taxes	1.60%
Stock based compensation	(1.30%)	(2.50%)
Deferred tax asset valuation allowance		(0.10%)	2.10%
Release of income tax reserves (including interest)	(0.40%)	(0.40%)	(2.40%)
Taxes on foreign dividends, net of foreign tax credits	(1.00%)	3.30%	(2.20%)
Acquisition and integration related costs			1.50%
Other	1.20%	0.70%	0.70%
Total	18.30%	24.20%	18.10%

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