Annual report pursuant to section 13 and 15(d)

Income Taxes - Reconciliations of Effective Income Tax Rate to Federal Statutory Rate (Detail)

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Income Taxes - Reconciliations of Effective Income Tax Rate to Federal Statutory Rate (Detail)
12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Income Tax Disclosure [Abstract]    
Income tax expense at the statutory rate 34.00% 34.00%
State and local income tax expense (0.35%) 1.78%
Foreign income tax (2.88%) (10.23%)
Permanent differences 2.85% (5.38%)
Resolution of uncertain tax positions 0.00% 11.15%
Other adjustments 4.58% (0.48%)
Effective income tax rate 38.20% 30.84%