Income Taxes - Reconciliation of the Federal Statutory Tax Rate to Total Provisions (Detail)	12 Months Ended
Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Income Tax Disclosure [Abstract]
Taxes computed at statutory rate	35.00%	35.00%	35.00%
State income taxes, net of federal income tax benefit	1.22%	1.67%	(5.02%)
Federal research credit	(0.24%)	(0.28%)	(1.47%)
Domestic manufacturing deduction	(2.58%)	(2.11%)	(9.98%)
Equity in losses of foreign joint venture	0.13%	0.27%	2.88%
Impairment on investment in foreign joint venture			22.14%
Foreign rate differential	(0.62%)	(1.05%)	(5.04%)
Noncontrolling interests	(1.24%)	(2.81%)	(16.27%)
Tax Reform Act	(10.01%)
Out-of-period correction		(0.22%)	(4.02%)
Other, net	(0.55%)	0.20%	1.97%
Provision for income taxes	21.11%	30.67%	20.19%

Effective income tax rate reconciliation change in deferred taxes.

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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 changes in tax law, primarily the change in enacted tax rate.

+ References

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Effective income tax rate reconciliation equity in losses of foreign joint venture.

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Effective income tax rate reconciliation impairment on investment in foreign joint venture.

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

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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 attributable to noncontrolling interest income (loss) exempt from income taxes.

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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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