Other Intangible Assets - Intangibles by Type (Details) - USD ($) $ in Millions	Dec. 31, 2024		Dec. 31, 2023
Finite-Lived Intangible Assets [Line Items]
Total finite-lived intangibles	$ 545.8		$ 285.9
Accumulated amortization	(151.5)		(188.4)
Finite-live intangible asset, net	394.3		97.5
Indefinite-lived intangibles(a)	59.8	[1]	19.1
Other intangible assets	605.6		305.0
Other intangible assets, net	454.1		116.6
Customer relationships
Finite-Lived Intangible Assets [Line Items]
Total finite-lived intangibles	383.8		202.4
Accumulated amortization	(92.6)		(138.4)
Finite-live intangible asset, net	291.2		64.0
Proprietary technology
Finite-Lived Intangible Assets [Line Items]
Total finite-lived intangibles	105.3		61.5
Accumulated amortization	(23.8)		(32.5)
Finite-live intangible asset, net	81.5		29.0
Trademarks and other
Finite-Lived Intangible Assets [Line Items]
Total finite-lived intangibles	56.7		22.0
Accumulated amortization	(35.1)		(17.5)
Finite-live intangible asset, net	$ 21.6		$ 4.5

[1] During the second quarter of 2024, we completed the sale of our Wolverine business, which was previously included within our MT segment. Indefinite-lived intangibles with a net book value of $7.0 were written off as part of the divestiture. See Note 21, Acquisitions, Investments, and Divestitures, for further information.