Commitments and Contingencies - Enviromental Liability Rollforward (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024
Environmental Liability And Related Assets [Line items]
Environmental Loss Contingency Statement Of Financial Position Extensible Enumeration Not Disclosed Flag	estimated aggregated environmental liability based on currently available and known information
Environmental Related Matters [Member]
Environmental Liability and Related Assets [Roll Forward]
Accrual for Environmental Loss Contingencies, Beginning Balance	$ 54.9	$ 56.0
Changes in estimates for pre-existing accruals:
Accruals added during the period for new matters	0.5	0.0
Cash payments	(4.4)	(3.6)
Foreign currency	0.3	(0.1)
Balance as of December 31	56.1	54.9
Environmental Related Matters [Member] | Continuing Operations [Member]
Changes in estimates for pre-existing accruals:
Continuing operations	2.3	2.2
Discontinued operations	2.3	2.2
Environmental Related Matters [Member] | Discontinued Operations [Member]
Changes in estimates for pre-existing accruals:
Continuing operations	2.5	0.4
Discontinued operations	$ 2.5	$ 0.4