Cost-Reduction Actions - Liabilities and Expected Future Payments Related to Work-Force Reduction Actions (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Restructuring Reserve [Roll Forward]
Additional provisions	$ 6.3	$ (2.8)
Work-force Reductions
Restructuring Reserve [Roll Forward]
Balance at beginning of period	9.4
Additional provisions	9.4
Payments	(1.9)
Changes in estimates	(2.8)
Translation adjustments	(0.2)
Balance at end of period	13.9
Short-term	13.9
Work-force Reductions | U.S.
Restructuring Reserve [Roll Forward]
Balance at beginning of period	2.5
Additional provisions	2.9
Payments	(0.4)
Changes in estimates	(0.2)
Translation adjustments	0.0
Balance at end of period	4.8
Short-term	4.8
Work-force Reductions | International
Restructuring Reserve [Roll Forward]
Balance at beginning of period	6.9
Additional provisions	6.5
Payments	(1.5)
Changes in estimates	(2.6)
Translation adjustments	(0.2)
Balance at end of period	9.1
Short-term	$ 9.1