Restructuring Charges - Activity and Reserve Balance for Restructuring Charges by Segment (Details) - USD ($) $ in Millions	3 Months Ended	6 Months Ended
	Mar. 31, 2023	Jun. 30, 2022
Restructuring Reserve [Roll Forward]
Restructuring reserve, beginning balance	$ 15.0	$ 21.0
Restructuring charges		8.0
Restructuring charges (adjustments)	1.7
Currency translation	0.2	(1.2)
Cash payments	(5.4)	(12.8)
Restructuring reserve, ending balance	11.5
Corporate
Restructuring Reserve [Roll Forward]
Restructuring reserve, beginning balance	0.5	0.3
Restructuring charges		0.6
Restructuring charges (adjustments)	0.6
Currency translation	0.0	0.0
Cash payments	(0.7)	(0.4)
Restructuring reserve, ending balance	0.4
Americas
Restructuring Reserve [Roll Forward]
Restructuring reserve, beginning balance	1.7	3.3
Restructuring charges		2.3
Restructuring charges (adjustments)	1.4
Currency translation	0.0	0.1
Cash payments	(2.0)	(4.0)
Restructuring reserve, ending balance	1.1
International
Restructuring Reserve [Roll Forward]
Restructuring reserve, beginning balance	12.8	17.4
Restructuring charges		5.1
Restructuring charges (adjustments)	(0.3)
Currency translation	0.2	(1.3)
Cash payments	(2.7)	$ (8.4)
Restructuring reserve, ending balance	$ 10.0