NONOPERATING EXPENSE, NET (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2026	Mar. 31, 2025
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Remeasurement of warrant to fair value (Note 8)	$ 0.0	$ (46.1)
Write-off of unamortized debt discount and debt issuance costs (Note 7)	0.0	(10.3)
Factoring fees	(2.0)	(2.8)
Net periodic pension benefit, other than service cost	1.3	0.9
Earnings from equity method investments	1.2	1.1
Income from transition services agreement	0.0	2.8
Settlement of tax indemnification	0.5	(4.1)
Other	(1.0)	(0.3)
Nonoperating expense, net	$ 0.0	$ (58.8)