GOODWILL AND INTANGIBLE ASSETS - Schedule of Goodwill Activity (Details) - USD ($) $ in Millions	12 Months Ended
Dec. 31, 2025	Dec. 31, 2024
Goodwill [Roll Forward]
Goodwill, Beginning Balance	$ 3,943.6	$ 3,945.9
Foreign currency translation	3.1	(2.3)
Goodwill, Ending Balance	3,946.7	3,943.6
MS
Goodwill [Roll Forward]
Goodwill, Beginning Balance	3,631.3	3,631.4
Foreign currency translation	0.0	(0.1)
Goodwill, Ending Balance	3,631.3	3,631.3
APS
Goodwill [Roll Forward]
Goodwill, Beginning Balance	312.3	314.5
Foreign currency translation	3.1	(2.2)
Goodwill, Ending Balance	$ 315.4	$ 312.3

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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+ Details