Retirement Benefit Plans (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Defined Benefit Plan Disclosure [Line Items]
Actual contribution to defined benefit pension plans			$ 14.5
United States Pension Plan of US Entity [Member]
Components of net periodic benefit cost:
Service cost	0	0	0	0
Interest cost	2.9	2.9	9.1	8.7
Expected return on plan assets	(4.4)	(4.6)	(13.2)	(13.7)
Pension settlement	2.7	0	2.7	0
Amortization of unrecognized prior service benefit	(0.2)	(0.2)	(0.6)	(0.6)
Amortization of unrecognized loss	1.6	2.1	4.9	6.2
Net periodic benefit cost	2.6	0.2	2.9	0.6
Foreign Pension Plan [Member]
Components of net periodic benefit cost:
Service cost	3.3	3.1	9.8	9.3
Interest cost	4.5	4.2	13.8	12.4
Expected return on plan assets	(5.3)	(2.8)	(16.1)	(8.2)
Pension settlement	0	0	0	0
Amortization of unrecognized prior service benefit	0	0	0	0
Amortization of unrecognized loss	1.1	1.3	3.6	3.9
Net periodic benefit cost	3.6	5.8	11.1	17.4
Other Postretirement Benefit Plan [Member]
Components of net periodic benefit cost:
Service cost	0.1	0.1	0.2	0.3
Interest cost	1.6	1.7	5.0	5.1
Expected return on plan assets	0	0	0	0
Pension settlement	0	0	0	0
Amortization of unrecognized prior service benefit	(1.5)	(1.6)	(4.7)	(4.8)
Amortization of unrecognized loss	0.7	1.2	2.0	3.7
Net periodic benefit cost	0.9	1.4	2.5	4.3
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