Restructuring - Restructuring Liability Rollforward (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024
Restructuring Cost and Reserve [Line Items]
Restructuring liability as of January 1	$ 2.9	$ 4.8
Restructuring costs	21.3	8.1
Cash payments	(20.6)	(10.0)
Asset write-offs	(0.1)	0.0
Foreign exchange translation and other	0.2	0.0
Restructuring liability as of December 31	3.7	2.9
Severance and other employee-related
Restructuring Cost and Reserve [Line Items]
Restructuring liability as of January 1	2.9
Restructuring liability as of December 31	$ 3.7	$ 2.9