Income Taxes - Reconciliation of U.S. Statutory Income Tax Rate to Our Effective Tax Rate (Detail)	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Income Tax Disclosure [Abstract]
U.S. statutory income tax rate	35.00%	35.00%	35.00%
State taxes, net of federal deduction	2.00%	(1.70%)	0.80%
Tax impact of foreign operations, including foreign tax credits	(11.00%)	(62.30%)	(14.20%)
Change in valuation allowance		(3.70%)
Non-deductible expenses	0.90%	2.40%
Tax impact of certain significant transactions	1.60%	21.60%	1.40%
Tax benefit relating to U.S. manufacturer's deduction and export sales	(4.70%)	(6.20%)	(1.90%)
R&D credit	(1.90%)	(4.20%)	(0.20%)
Share based compensation	(2.90%)	1.10%	0.20%
Net uncertain tax positions, including interest and penalties	4.20%	22.90%	2.20%
Other	0.60%	(0.30%)	0.10%
Effective income tax rate	23.80%	4.60%	23.40%