LEASES - Schedule of Lease, Cost (Details) - USD ($) $ in Millions	5 Months Ended	7 Months Ended	12 Months Ended
	Dec. 31, 2023	Aug. 12, 2023	Dec. 31, 2022	Dec. 31, 2021
Leases [Abstract]
Operating lease expense	$ 25.3	$ 41.9	$ 75.7	$ 87.3
Finance lease expense
Amortization of ROU lease assets	1.9	2.4	4.1	2.9
Interest on lease liabilities	0.2	0.5	0.7	0.9
Variable lease expense	$ 4.1	$ 5.2	$ 10.1	$ 7.8