Pension and Other Post Retirement Plans (Details 2) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Other Benefits [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Expected Amortization of Gain (Loss), Next Fiscal Year	$ 3.4
Pension Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Expected Amortization of Gain (Loss), Next Fiscal Year	1.7
Domestic Plan [Member] | Other Benefits [Member]
Components of net periodic benefit cost (income):
Service cost	1.1	$ 1.2
Interest cost	1.0	1.2
Special Termination Benefits	0.0	0.0
Other changes recognized in OCI:
Total (income) recognized in OCI	$ 27.5	$ 28.3
Total recognized in net periodic benefit cost and OCI
Discount rate	3.74%	3.03%
Medical Assumptions:
Trend assumed for the year	6.24%	6.59%
Ultimate trend rate	4.50%	4.50%
Year that ultimate trend rate is reached	2038	2038
Domestic Plan [Member] | Other Benefits [Member] | Annual Expense [Member]
Components of net periodic benefit cost (income):
Service cost	$ 1.1	$ 1.2	$ 1.8
Interest cost	1.1	1.2	2.1
Expected return on plan assets	0.0	0.0	0.0
Amortization of net (gain)	(2.3)	(2.2)	0.0
Defined Benefit Plan, Amortization of Prior Service Cost (Credit)	0.9	0.9	0.9
Special Termination Benefits	0.0	0.0	3.1
Net periodic benefit cost (income)	(1.0)	(0.7)	6.1
Other changes recognized in OCI:
Total (income) recognized in OCI	0.8	4.2	(23.0)
Total recognized in net periodic benefit cost and OCI	$ 0.2	$ 3.5	$ (16.9)
Total recognized in net periodic benefit cost and OCI
Discount rate	3.03%	3.21%	3.43%
Medical Assumptions:
Trend assumed for the year	6.59%	6.93%	7.27%
Ultimate trend rate	4.50%	4.50%	4.50%
Year that ultimate trend rate is reached	2038	2038	2038
Domestic Plan [Member] | Pension Plan [Member]
Components of net periodic benefit cost (income):
Service cost	$ 0.0	$ 0.0
Interest cost	34.7	35.6
Special Termination Benefits	0.0	0.0
Other changes recognized in OCI:
Total (income) recognized in OCI	$ (141.9)	$ (89.6)
Total recognized in net periodic benefit cost and OCI
Discount rate	4.21%	3.59%
Domestic Plan [Member] | Pension Plan [Member] | Annual Expense [Member]
Components of net periodic benefit cost (income):
Service cost	$ 0.0	$ 0.0	$ 0.0
Interest cost	34.7	35.7	42.7
Expected return on plan assets	(66.9)	(69.8)	(74.9)
Amortization of net (gain)	0.0	0.0	5.7
Defined Benefit Plan, Amortization of Prior Service Cost (Credit)	0.0	0.0	0.0
Special Termination Benefits	0.0	0.0	23.6
Net periodic benefit cost (income)	(32.2)	(34.1)	(2.9)
Other changes recognized in OCI:
Total (income) recognized in OCI	52.3	(24.8)	(31.8)
Total recognized in net periodic benefit cost and OCI	$ (20.1)	$ (58.9)	$ (34.7)
Total recognized in net periodic benefit cost and OCI
Discount rate	3.59%	4.15%	4.38%
Expected return on plan assets	4.80%	5.50%	6.00%
Foreign Plan [Member] | Pension Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Expected Amortization of Gain (Loss), Next Fiscal Year	$ 0.0
Components of net periodic benefit cost (income):
Service cost	1.3	$ 1.3
Interest cost	1.7	2.0
Other changes recognized in OCI:
Total (income) recognized in OCI	$ 3.1	$ 4.3
Total recognized in net periodic benefit cost and OCI
Discount rate	3.00%	2.60%
Salary increases	3.40%	3.35%
Foreign Plan [Member] | Pension Plan [Member] | Annual Expense [Member]
Components of net periodic benefit cost (income):
Service cost	$ 1.3	$ 1.3	$ 1.0
Interest cost	1.7	2.0	2.9
Expected return on plan assets	(2.8)	(2.9)	(3.6)
Net periodic benefit cost (income)	(0.2)	0.1	0.3
Other changes recognized in OCI:
Total (income) recognized in OCI	(0.5)	(6.7)	(4.6)
Total recognized in net periodic benefit cost and OCI	$ 0.7	$ (6.6)	$ (4.3)
Total recognized in net periodic benefit cost and OCI
Discount rate	2.60%	2.70%	4.00%
Expected return on plan assets	3.10%	3.20%	4.30%
Salary increases	3.35%	3.20%	3.10%