Pension and Other Postretirement Benefits (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Pension Benefits [Member] | U.S. Plans [Member]
Net Periodic Benefit Cost [Abstract]
Service cost	$ 0.0	$ 0.0
Interest cost	0.5	0.6
Expected return on plan assets	(1.2)	(1.1)
Recognition of [Abstract]
Unrecognized prior service cost	0.0	0.0
Unrecognized net actuarial loss	0.0	0.0
Net periodic benefit cost	(0.7)	(0.5)
Pension Benefits [Member] | Non-U.S. Plans [Member]
Net Periodic Benefit Cost [Abstract]
Service cost	0.5	0.4
Interest cost	1.9	1.9
Expected return on plan assets	(3.0)	(2.5)
Recognition of [Abstract]
Unrecognized prior service cost	0.0	0.0
Unrecognized net actuarial loss	0.5	1.2
Net periodic benefit cost	(0.1)	1.0
Other Postretirement Benefits [Member]
Net Periodic Benefit Cost [Abstract]
Service cost	0.0	0.0
Interest cost	0.0	0.0
Expected return on plan assets	0.0	0.0
Recognition of [Abstract]
Unrecognized prior service cost	0.0	0.0
Unrecognized net actuarial loss	0.0	0.0
Net periodic benefit cost	$ 0.0	$ 0.0