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Goodwill and Intangible Assets - Carrying Value of Goodwill (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Goodwill [Roll Forward]
Beginning balance			$ 287.4
Goodwill impairment	$ (39.1)	$ 0.0	(39.1)	$ 0.0
Translation adjustments			0.2
Ending balance	248.5		248.5
DWS
Goodwill [Roll Forward]
Beginning balance			140.8
Goodwill impairment	(39.1)		(39.1)
Translation adjustments			0.2
Ending balance	101.9		101.9
CA&I
Goodwill [Roll Forward]
Beginning balance			38.0
Goodwill impairment			0.0
Translation adjustments			0.0
Ending balance	38.0		38.0
ECS
Goodwill [Roll Forward]
Beginning balance			98.3
Goodwill impairment			0.0
Translation adjustments			0.0
Ending balance	98.3		98.3
Other
Goodwill [Roll Forward]
Beginning balance			10.3
Goodwill impairment			0.0
Translation adjustments			0.0
Ending balance	$ 10.3		$ 10.3

X

- Definition

Amount, after accumulated impairment loss, of asset representing future economic benefit arising from other asset acquired in business combination or from joint venture formation or both, that is not individually identified and separately recognized.

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Amount of foreign currency translation gain (loss) which increases (decreases) asset representing future economic benefit from other asset acquired in business combination or from joint venture formation or both, that is not individually identified and separately recognized.

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