XML 69 R58.htm IDEA: XBRL DOCUMENT v3.8.0.1
Income Taxes (Details) - USD ($)
$ in Millions
Sep. 30, 2017
Dec. 31, 2016
Jun. 30, 2016
Income Tax Disclosure [Abstract]      
Unrecognized income tax benefits that would affect effective tax rate $ 151.2 $ 139.9  
Accrued or deferred taxes relating to uncertain income tax positions 57.1 47.0  
Accrued interest and penalties relating to unrecognized tax benefits $ 20.9 $ 16.4  
Deferred tax assets, valuation allowance     $ 31.6