Restructuring Charges - Roll Forward (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Restructuring Reserve [Roll Forward]
Restructuring reserve, beginning balance	$ 21.0	$ 22.5	$ 6.2
Restructuring charges	8.0	16.4	27.4
Currency translation and other adjustments	(1.2)	(0.3)	0.0
Cash payments / utilization	(12.8)	(17.6)	(11.1)
Restructuring reserve, ending balance	15.0	21.0	22.5
Corporate
Restructuring Reserve [Roll Forward]
Restructuring reserve, beginning balance	0.3	0.4	0.0
Restructuring charges	0.6	0.6	0.8
Currency translation and other adjustments	0.0	0.0	0.0
Cash payments / utilization	(0.4)	(0.7)	(0.4)
Restructuring reserve, ending balance	0.5	0.3	0.4
Americas
Restructuring Reserve [Roll Forward]
Restructuring reserve, beginning balance	3.3	2.8	0.3
Restructuring charges	2.3	4.6	4.7
Currency translation and other adjustments	0.1	(0.1)	(0.1)
Cash payments / utilization	(4.0)	(4.0)	(2.1)
Restructuring reserve, ending balance	1.7	3.3	2.8
International
Restructuring Reserve [Roll Forward]
Restructuring reserve, beginning balance	17.4	19.3	5.9
Restructuring charges	5.1	11.2	21.9
Currency translation and other adjustments	(1.3)	(0.2)	0.1
Cash payments / utilization	(8.4)	(12.9)	(8.6)
Restructuring reserve, ending balance	$ 12.8	$ 17.4	$ 19.3