Retirement Benefit Plans (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011	Dec. 31, 2011
United States Pension Plans of US Entity, Defined Benefit [Member]
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Defined Benefit Plan, Estimated Future Employer Contributions in Next Fiscal Year					$ 8.0
Defined Benefit Plan, Estimated Future Employer Contributions in Current Fiscal Year	7.0		7.0
Service cost	0	0	0	0
Interest cost	0.8	0.9	2.4	2.6
Expected return on plan assets	(1.1)	(1.1)	(3.3)	(3.4)
Amortization of actuarial loss	0.7	0.6	2.1	1.8
Amortization of prior service credit	0	(0.1)	(0.1)	(0.1)
Total	0.4	0.3	1.1	0.9
Foreign Pension Plans, Defined Benefit [Member]
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Defined Benefit Plan, Estimated Future Employer Contributions in Next Fiscal Year					5.0
Defined Benefit Plan, Estimated Future Employer Contributions in Current Fiscal Year	0		0
Service cost	0	0	0	0
Interest cost	0.1	0.1	0.2	0.2
Expected return on plan assets	(0.1)	(0.1)	(0.2)	(0.3)
Amortization of actuarial loss	0	0	0.1	0
Total	0	0	0.1	(0.1)
United States Postretirement Benefit Plans of US Entity, Defined Benefit [Member]
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Service cost	0	0	0.1	0.1
Interest cost	0	0	0.1	0.1
Amortization of prior service credit	0	0	(0.1)	(0.1)
Total	$ 0	$ 0	$ 0.1	$ 0.1