Annual report pursuant to Section 13 and 15(d)

Income Taxes - Components of Income before Income Taxes (Detail)

v3.6.0.2
Income Taxes - Components of Income before Income Taxes (Detail) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Income Tax Disclosure [Abstract]      
Domestic $ (89.3) $ 80.9 $ 94.0
Foreign 454.0 405.5 327.3
Income before income taxes $ 364.7 $ 486.4 $ 421.3