Retirement Benefit Plans (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Defined Benefit Plan Disclosure [Line Items]
Actual contribution to defined benefit pension plans	$ 5.0
United States Pension Plan of US Entity, Defined Benefit [Member]
Components of net periodic benefit cost:
Service cost	0	0
Interest cost	3.1	2.9
Expected return on plan assets	(4.4)	(4.6)
Amortization of unrecognized prior service benefit	(0.2)	(0.2)
Amortization of unrecognized loss	1.6	2.1
Net periodic benefit cost	0.1	0.2
Foreign Pension Plan, Defined Benefit [Member]
Components of net periodic benefit cost:
Service cost	3.3	3.1
Interest cost	4.6	4.2
Expected return on plan assets	(5.4)	(2.7)
Amortization of unrecognized prior service benefit	0	0
Amortization of unrecognized loss	1.2	1.3
Net periodic benefit cost	3.7	5.9
Other Postretirement Benefit Plan, Defined Benefit [Member]
Components of net periodic benefit cost:
Service cost	0	0.1
Interest cost	1.7	1.7
Expected return on plan assets	0	0
Amortization of unrecognized prior service benefit	(1.6)	(1.6)
Amortization of unrecognized loss	0.7	1.2
Net periodic benefit cost	0.8	1.4
Minimum [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Estimated Future Employer Contributions in Next Fiscal Year	15.0
Maximum [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Estimated Future Employer Contributions in Next Fiscal Year	$ 25.0