v3.7.0.1
Income Taxes - Reconciliation of Tax Computed At U.S Federal Statutory Rate (Detail) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Income Tax Disclosure [Abstract]      
U.S. federal statutory rate 35.00% 35.00% 35.00%
Tax at U.S. federal statutory rate $ 47.3 $ 60.9 $ 19.0
Lower effective foreign tax rate (7.7) (6.9) (6.1)
Change in valuation allowance 3.6 2.4 4.8
Nondeductible transaction/other expenses 3.1 1.7 3.6
Non-taxable income (2.8) (2.6) (2.9)
Foreign tax credit - net (2.6)    
Tax holidays, credits and incentives (2.5) (1.4) (4.7)
Domestic production activities deduction (2.3) (3.6) (2.3)
Changes in unrecognized tax benefits (1.9) 0.6 (2.2)
Deferred tax on outside basis of foreign shares 1.8 (3.0) (31.6)
State and local taxes, net of federal tax benefit 1.1 4.3 (1.4)
Changes in prior-year estimates 0.4 (4.2) 2.6
Other, net 0.9 (0.1) (2.2)
Goodwill impairment     4.3
Income taxes $ 38.4 $ 48.1 $ (19.1)