XML 100 R77.htm IDEA: XBRL DOCUMENT v3.8.0.1
Income Taxes - Reconciliation of Statutory Tax Rate to Effective Tax Rate (Details) - USD ($)
$ in Millions
3 Months Ended 12 Months Ended
Dec. 31, 2015
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2015
Reconciliation in dollars [Abstract]        
Statutory U.S. federal income tax $ 66.9 $ 65.9 $ 95.1  
State income taxes, net of federal benefit 1.1 (0.6) 8.0  
Foreign repatriation, net of foreign tax credits 0.0 0.0 (4.3)  
Foreign tax differential (10.0) (11.6) (11.9)  
Change in valuation allowances 2.5 8.3 20.2  
Uncertain tax positions 59.7 0.2 (27.1)  
Subpart F income 1.9 2.7 2.0  
Manufacturing deduction (1.6) (1.9) (4.2)  
Remeasurement of deferred taxes 0.0 (69.7) 0.0  
Transition Tax 0.0 45.9 0.0  
Permanent and other 4.9 8.5 9.0  
Effective income tax provision $ 125.4 $ 47.7 $ 86.8 $ 125.4
Reconciliation in percentages [Abstract]        
Statutory U.S. federal income tax (percentage) 35.00% 35.00% 35.00%  
State income taxes, net of federal benefit (percentage) 0.60% (0.30%) 2.90%  
Foreign repatriation, net of foreign tax credits (percentage) (0.00%) (0.00%) (1.60%)  
Foreign tax differential (percentage) (5.20%) (6.10%) (4.40%)  
Change in valuation allowance (percentage) 1.30% 4.40% 7.40%  
Uncertain tax positions (percentage) 31.20% 0.00% (9.90%)  
Subpart F income (percentage) 1.00% 1.40% 0.70%  
Manufacturing deduction (percentage) (0.80%) (1.00%) (1.50%)  
Tax reform tax rate change (percentage) 0.00% (37.00%) 0.00%  
Transition Tax (percentage) 0.00% 24.40% 0.00%  
Permanent and other (percentage) 2.50% 4.50% 3.30%  
Effective income tax provision (percentage) 65.60% 25.30% 31.90%