Income Taxes - Schedule of Reconciliation between U.S. Federal Statutory Income Tax Rate to Actual Effective Tax Rate (Detail)	12 Months Ended
Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Income Tax Disclosure [Abstract]
Statutory tax rate	35.00%	35.00%	35.00%
Difference in effective tax rate on foreign earnings and remittances	(11.80%)	(11.50%)	(10.70%)
Tax benefit from supply chain optimization	(2.30%)	(0.70%)	0.00%
Unrecognized tax benefit, net of reversals	2.30%	0.60%	(0.80%)
U.S. tax reform	26.00%	0.00%	0.00%
Spanish tax charges	0.00%	0.00%	(0.40%)
State and local taxes	(2.10%)	0.10%	0.10%
Other, net	(2.20%)	(0.80%)	(1.00%)
Effective tax rate	44.90%	22.70%	22.20%

Effective Income Tax Rate Reconciliation, Supply Chain Optimization, Percent

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Spanish tax charges.

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Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
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Percentage of domestic federal statutory tax rate applicable to pretax income (loss).

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Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations applicable to statutory income tax expense (benefit) outside of the country of domicile.

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Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations applicable to state and local income tax expense (benefit), net of federal tax expense (benefit).

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Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to income tax contingencies. Includes, but not limited to, domestic tax contingency, foreign tax contingency, state and local tax contingency, and other contingencies.

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