v3.5.0.2
Income Taxes - Additional Information (Detail)
3 Months Ended 9 Months Ended
Sep. 30, 2016
Sep. 30, 2015
Sep. 30, 2016
Sep. 30, 2015
Income Tax Disclosure [Abstract]        
Effective income tax rate 35.10% 35.50% 35.00% 35.60%