Reorganization and Restructuring (Details) (Reorganization And Restructuring 2014 [Member], USD $)
In Millions, unless otherwise specified
3 Months Ended
Mar. 31, 2015
employees
Restructuring Cost and Reserve [Line Items]  
Number of Positions Eliminated 1,700.0
Restructuring Reserve [Roll Forward]  
Restructuring Reserve, beginining balance $ 21.4
Expenses 1.5
Payments (9.9)
Foreign currency exchange effects (1.0)
Restructuring Reserve, ending balance 12.0
Employee Severance [Member]
 
Restructuring Charges [Abstract]  
Restructuring charges incurred 0.7
Estimated restructuring charges 25
Restructuring Reserve [Roll Forward]  
Restructuring Reserve, beginining balance 21.4
Expenses 0.7
Payments (9.9)
Foreign currency exchange effects (1.0)
Restructuring Reserve, ending balance 11.2
Lease Termination [Member]
 
Restructuring Charges [Abstract]  
Restructuring charges incurred 0.8
Restructuring Reserve [Roll Forward]  
Restructuring Reserve, beginining balance 0
Expenses 0.8
Payments 0
Foreign currency exchange effects 0
Restructuring Reserve, ending balance 0.8
Reduced Direct Costs [Member] | Minimum [Member]
 
Restructuring Cost and Reserve [Line Items]  
Expected savings in annual direct costs (45.0)
Reduced Direct Costs [Member] | Maximum [Member]
 
Restructuring Cost and Reserve [Line Items]  
Expected savings in annual direct costs $ (50.0)