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Goodwill and Other Intangible Assets (Changes in Carrying Amount of Goodwill by Segment) (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Goodwill [Roll Forward]
Goodwill, beginning balance			$ 357.6
Impairment	$ 0.0	$ 0.0	(67.3)	$ 0.0
Foreign currency translation adjustment			13.2
Goodwill, ending balance	303.5		303.5
Advanced Electronics Solutions
Goodwill [Roll Forward]
Goodwill, beginning balance			113.6
Impairment			(67.3)
Foreign currency translation adjustment			5.4
Goodwill, ending balance	51.7		51.7
Elastomeric Material Solutions
Goodwill [Roll Forward]
Goodwill, beginning balance			241.8
Impairment			0.0
Foreign currency translation adjustment			7.8
Goodwill, ending balance	249.6		249.6
Other
Goodwill [Roll Forward]
Goodwill, beginning balance			2.2
Impairment			0.0
Foreign currency translation adjustment			0.0
Goodwill, ending balance	$ 2.2		$ 2.2

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- 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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