Net Periodic Pension and Postretirement Benefit Costs (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
Anticipated cash contributions
Anticipated cash contributions to pension plans in 2014			$ 18
United States Pension Plan of US Entity, Defined Benefit [Member]
Components of Net Periodic Benefit Costs
Service cost	1.8	2.0	5.3	5.9
Interest cost	3.3	2.8	9.8	8.5
Expected return on plan assets	(5.2)	(4.6)	(15.7)	(13.7)
Amortization of net actuarial loss	0.1	0.5	0.3	1.4
Settlement	0.4		0.4
Net periodic benefit cost	0.4	0.7	0.1	2.1
Employer Contributions
Cash contributions to defined benefit pension plan			5
Anticipated cash contributions
Anticipated cash contributions to pension plans in 2014			6
Foreign Pension Plan, Defined Benefit [Member]
Components of Net Periodic Benefit Costs
Service cost	1.5	2.3	4.4	7.0
Interest cost	3.7	3.0	11.1	9.2
Expected return on plan assets	(3.6)	(2.9)	(10.7)	(8.9)
Amortization of prior service credit			(0.1)	(0.1)
Amortization of net actuarial loss	0.8	1.2	2.4	3.7
Amortization of transition obligation	0.1	0.1	0.2	0.2
Net periodic benefit cost	2.5	3.7	7.3	11.1
Employer Contributions
Cash contributions to defined benefit pension plan			8
Anticipated cash contributions
Anticipated cash contributions to pension plans in 2014			12
Other Postretirement Benefit Plan, Defined Benefit [Member]
Components of Net Periodic Benefit Costs
Service cost	0.7	0.7	2.1	2.3
Interest cost	0.9	0.9	2.7	2.8
Amortization of prior service credit				0.1
Amortization of net actuarial loss	0.1	0.2	0.3	0.8
Curtailment		(0.3)		(0.3)
Net periodic benefit cost	$ 1.7	$ 1.5	$ 5.1	$ 5.7