Other Intangible Assets - Intangibles by Type (Details) - USD ($) $ in Millions	Dec. 31, 2023		Dec. 31, 2022
Finite-Lived Intangible Assets [Line Items]
Total finite-lived intangibles	$ 285.9		$ 268.3
Accumulated amortization	(188.4)		(174.5)
Finite-live intangible asset, net	97.5		93.8
Indefinite-lived intangibles	19.1		19.0
Other intangible assets	305.0		287.3
Other intangible assets, net	116.6		112.8
Customer relationships(a)
Finite-Lived Intangible Assets [Line Items]
Total finite-lived intangibles	202.4		191.5
Accumulated amortization	(138.4)		(127.1)
Finite-live intangible asset, net	64.0	[1]	64.4
Proprietary technology
Finite-Lived Intangible Assets [Line Items]
Total finite-lived intangibles	61.5		59.2
Accumulated amortization	(32.5)		(30.8)
Finite-live intangible asset, net	29.0		28.4
Trademarks and other
Finite-Lived Intangible Assets [Line Items]
Total finite-lived intangibles	22.0		17.6
Accumulated amortization	(17.5)		(16.6)
Finite-live intangible asset, net	4.5		$ 1.0
Trade Names
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Customer Relationships, Gross	$ 5.5

[1] During the fourth quarter of 2023, we completed the sale of our Matrix business, which was previously included within our CCT segment. Customer relationships with a net book value of $5.5 were written off as part of the divestiture. See Note 22, Acquisitions, Investments, and Divestitures, for further information