Income Taxes - Schedule of Reconciliation between U.S. Federal Statutory Income Tax Rate to Actual Effective Tax Rate (Detail)	12 Months Ended
Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Income Tax Disclosure [Abstract]
Statutory tax rate	35.00%	35.00%	35.00%
Difference in effective tax rate on foreign earnings and remittances	(9.90%)	(10.20%)	(10.60%)
Unrecognized tax benefit, net of reversals	0.80%	1.00%	0.90%
Corporate restructuring of certain foreign subsidiaries	0.00%	0.00%	(2.40%)
Spanish tax charges	0.00%	1.30%	16.30%
Spanish dividend withholdings	(0.70%)	0.00%	2.60%
State and local taxes	0.10%	0.20%	(0.10%)
Other, net	(0.80%)	(0.20%)	1.00%
Effective tax rate	24.50%	27.10%	42.70%

Effective Tax Rate Reconciliation Corporate Restructuring Of Certain Foreign Subsidiaries

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Spanish dividend withholdings

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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.

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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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