Pension and Other Postretirement Benefits (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Pension Benefits [Member] | U.S. Plans [Member]
Net Periodic Benefit Cost [Abstract]
Service cost	$ 0.0	$ 0.0	$ 0.0	$ 0.0
Interest cost	0.5	0.6	1.5	1.7
Expected return on plan assets	(1.2)	(1.1)	(3.5)	(3.3)
Recognition of [Abstract]
Unrecognized prior service cost	0.0	0.0	0.0	0.0
Unrecognized net actuarial loss	0.0	0.0	0.0	0.0
Net periodic benefit cost	(0.7)	(0.5)	(2.0)	(1.6)
Pension Benefits [Member] | Non-U.S. Plans [Member]
Net Periodic Benefit Cost [Abstract]
Service cost	0.4	0.5	1.4	1.4
Interest cost	1.8	2.0	5.7	5.8
Expected return on plan assets	(2.8)	(2.7)	(8.8)	(7.7)
Recognition of [Abstract]
Unrecognized prior service cost	0.0	0.0	0.0	0.0
Unrecognized net actuarial loss	0.5	1.3	1.4	3.7
Net periodic benefit cost	(0.1)	1.1	(0.3)	3.2
Other Postretirement Benefits [Member]
Net Periodic Benefit Cost [Abstract]
Service cost	0.0	0.0	0.0	0.0
Interest cost	0.0	0.0	0.1	0.1
Expected return on plan assets	0.0	0.0	0.0	0.0
Recognition of [Abstract]
Unrecognized prior service cost	0.0	0.0	0.0	0.0
Unrecognized net actuarial loss	0.0	0.0	0.0	0.0
Net periodic benefit cost	$ 0.0	$ 0.0	$ 0.1	$ 0.1