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GOODWILL AND INTANGIBLE ASSETS - Schedule of Goodwill and Changes in Carrying Amount of Goodwill by Operating Segment (Details) $ in Millions	6 Months Ended
	Jun. 30, 2026 USD ($)
Goodwill [Roll Forward]
Goodwill, Beginning Balance	$ 1,757.6
Currency translation	(20.0)
Goodwill, Ending Balance	1,737.6
Specialty Engineered Materials
Goodwill [Roll Forward]
Goodwill, Beginning Balance	711.4
Currency translation	(14.0)
Goodwill, Ending Balance	697.4
Color, Additives and Inks
Goodwill [Roll Forward]
Goodwill, Beginning Balance	1,046.2
Currency translation	(6.0)
Goodwill, Ending Balance	$ 1,040.2

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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