Restructuring and Other Charges - Roll Forward (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Restructuring Reserve [Roll Forward]
Restructuring reserve, beginning balance	$ 4.5	$ 4.1	$ 4.0
Restructuring charges	13.8	13.2	17.9
Currency translation and other adjustments	(0.7)	(0.6)	(0.3)
Cash payments / utilization	(11.4)	(12.2)	(17.5)
Restructuring reserve, ending balance	6.2	4.5	4.1
Americas
Restructuring Reserve [Roll Forward]
Restructuring reserve, beginning balance	0.5	0.5	0.9
Restructuring charges	0.5	2.3	13.0
Currency translation and other adjustments	(0.1)	(0.3)	(0.2)
Cash payments / utilization	(0.6)	(2.0)	(13.2)
Restructuring reserve, ending balance	0.3	0.5	0.5
International
Restructuring Reserve [Roll Forward]
Restructuring reserve, beginning balance	4.0	3.6	2.8
Restructuring charges	12.7	5.6	4.9
Currency translation and other adjustments	(0.6)	(0.3)	(0.1)
Cash payments / utilization	(10.2)	(4.9)	(4.0)
Restructuring reserve, ending balance	5.9	4.0	3.6
Corporate
Restructuring Reserve [Roll Forward]
Restructuring reserve, beginning balance	0.0	0.0	0.3
Restructuring charges	0.6	5.3	0.0
Currency translation and other adjustments	0.0	0.0	0.0
Cash payments / utilization	(0.6)	(5.3)	(0.3)
Restructuring reserve, ending balance	$ 0.0	$ 0.0	$ 0.0