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)