Retirement Benefit Plans (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Defined Benefit Plan Disclosure [Line Items]
Actual contribution to defined benefit pension plans			$ 14.0
United States Pension Plan of US Entity [Member]
Components of net periodic benefit cost:
Service cost	$ 0.0	$ 0.0	0.0	$ 0.0
Interest cost	2.4	2.8	7.2	8.3
Expected return on plan assets	(3.7)	(4.3)	(11.2)	(12.9)
Amortization of unrecognized prior service credit	(0.2)	(0.2)	(0.6)	(0.6)
Amortization of unrecognized loss	1.3	1.6	3.8	4.9
Net periodic benefit (income) cost	(0.2)	(0.1)	(0.8)	(0.3)
Foreign Pension Plan [Member]
Components of net periodic benefit cost:
Service cost	4.1	3.6	12.3	11.0
Interest cost	3.1	3.5	9.6	10.6
Expected return on plan assets	(6.1)	(6.1)	(18.7)	(18.5)
Amortization of unrecognized prior service credit	0.0	0.0	0.0	0.0
Amortization of unrecognized loss	1.6	1.6	4.7	5.0
Net periodic benefit (income) cost	2.7	2.6	7.9	8.1
Other Postretirement Benefit Plan [Member]
Components of net periodic benefit cost:
Service cost	0.0	0.0	0.1	0.1
Interest cost	1.0	1.4	2.9	4.2
Expected return on plan assets	0.0	0.0	0.0	0.0
Amortization of unrecognized prior service credit	(1.2)	(1.4)	(3.6)	(4.2)
Amortization of unrecognized loss	0.5	0.8	1.6	2.3
Net periodic benefit (income) cost	$ 0.3	$ 0.8	1.0	$ 2.4
Minimum
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Expected Contributions in Current Fiscal Year			15.0
Maximum
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Expected Contributions in Current Fiscal Year			$ 25.0