BENEFIT PLANS - Schedule of Defined Benefit Plans Disclosures (Details) - USD ($) $ in Millions	5 Months Ended	7 Months Ended	12 Months Ended
	Dec. 31, 2023	Aug. 12, 2023	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Amounts recognized in balance sheets
Noncurrent liabilities	$ 112.6	$ 102.0	$ 112.6	$ 40.6
Pension Benefits
Change in plan assets
Employer contributions			8.3
Other Benefits
Change in benefit obligation
Benefit obligation at beginning of period	4.1	4.3	4.3	5.7
Interest cost	0.1	0.2		0.2	$ 0.7
Service cost	0.0	0.0		0.0	0.1
Actuarial loss (gain)	0.4	0.1		(1.2)
Benefits paid	(0.6)	(0.6)		(0.5)
Foreign currency impact	0.0	0.1		0.1
Benefit obligation at end of period	4.0	4.1	4.0	4.3	5.7
Change in plan assets
Fair value of plan assets at beginning of period	0.0	0.0	0.0
Employer contributions	0.6	0.6		0.5
Benefits paid	(0.6)	(0.6)		(0.5)
Fair value of plan assets at end of period	0.0	0.0	0.0	0.0
Funded status	(4.0)	(4.1)	(4.0)	(4.3)
Amounts recognized in balance sheets
Noncurrent assets	0.0		0.0	0.0
Current liabilities	0.4		0.4	0.5
Noncurrent liabilities	3.6		3.6	3.8
Unrecognized net actuarial (loss) gain	(0.5)		(0.5)	5.6
Unrecognized prior service cost (benefit)	0.0		0.0	0.0
Net amount recognized	3.5		3.5	9.9
Change in accumulated other comprehensive income
Balance at beginning of period	0.0	5.6	5.6	4.8
Net actuarial gains (losses) recognized during the period	(0.5)	0.0		1.2
Net actuarial gains (losses) occurring during the period	0.0	(0.3)		(0.5)
Foreign currency impact	0.0	0.2		0.1
Fresh Start Accounting Adjustments	0.0	(5.5)		0.0
Balance at end of period	(0.5)	0.0	(0.5)	5.6	4.8
U.S. Plans | Pension Benefits
Change in benefit obligation
Benefit obligation at beginning of period	351.5	359.8	359.8	584.4
Interest cost	7.6	11.9		17.3	15.9
Actuarial loss (gain)	10.1	(10.1)		(133.8)
Benefits paid	(6.9)	(10.1)		(25.7)
Settlements	0.0	0.0		(82.4)
Benefit obligation at end of period	362.3	351.5	362.3	359.8	584.4
Change in plan assets
Fair value of plan assets at beginning of period	293.3	293.0	293.0	511.3
Actual return on plan assets	14.3	8.4		(113.8)
Employer contributions	1.2	2.0		3.6
Benefits paid	(6.9)	(10.1)		(25.7)
Settlements	0.0	0.0		(82.4)
Fair value of plan assets at end of period	301.9	293.3	301.9	293.0	511.3
Funded status	(60.4)	(58.2)	(60.4)	(66.8)
Amounts recognized in balance sheets
Noncurrent assets	0.0		0.0	0.0
Current liabilities	0.0		0.0	3.5
Noncurrent liabilities	60.4		60.4	63.3
Unrecognized net actuarial (loss) gain	(2.1)		(2.1)	(77.3)
Unrecognized prior service cost (benefit)	0.0		0.0	0.0
Net amount recognized	58.3		58.3	(10.5)
Change in accumulated other comprehensive income
Balance at beginning of period	0.0	(77.3)	(77.3)	(94.9)
Net actuarial gains (losses) recognized during the period	(2.1)	7.9		(1.1)
Net actuarial gains (losses) occurring during the period	0.0	0.4		4.4
Net actuarial gains (losses) recognized due to settlement	0.0	0.0		14.3
Fresh Start Accounting Adjustments	0.0	69.0		0.0
Balance at end of period	(2.1)	0.0	(2.1)	(77.3)	(94.9)
Non-U.S. Plans | Pension Benefits
Change in benefit obligation
Benefit obligation at beginning of period	306.4	297.5	297.5	420.5
Interest cost	4.3	7.2		4.1	2.9
Service cost	2.7	3.9		8.9	9.8
Actuarial loss (gain)	15.9	5.5		(80.5)
Plan participant contributions	0.1	1.1		1.2
Benefits paid	(2.9)	(4.6)		(6.5)
Plan amendments	(0.6)	0.0		(2.4)
Curtailment	0.0	(0.1)		0.0
Settlements	(2.9)	(16.8)		(24.6)
Foreign currency impact	3.4	12.7		(22.9)
Acquired benefit plans and other	(0.3)	0.0		(0.3)
Benefit obligation at end of period	326.1	306.4	326.1	297.5	420.5
Change in plan assets
Fair value of plan assets at beginning of period	333.3	325.3	325.3	394.4
Actual return on plan assets	15.2	14.5		(27.6)
Employer contributions	2.9	1.0		10.9
Plan participant contributions	0.1	1.1		1.2
Benefits paid	(2.9)	(4.6)		(6.5)
Foreign currency impact	2.9	12.8		(22.5)
Settlements	(2.9)	(16.8)		(24.6)
Fair value of plan assets at end of period	348.6	333.3	348.6	325.3	394.4
Funded status	22.5	26.9	22.5	27.8
Amounts recognized in balance sheets
Noncurrent assets	70.3		70.3	30.9
Current liabilities	4.3		4.3	3.1
Noncurrent liabilities	43.5		43.5
Unrecognized net actuarial (loss) gain	(6.6)		(6.6)	45.4
Unrecognized prior service cost (benefit)	0.6		0.6	5.9
Net amount recognized	(28.5)		(28.5)	23.5
Change in accumulated other comprehensive income
Balance at beginning of period	0.0	51.3	51.3	17.7
Net actuarial gains (losses) recognized during the period	(6.5)	1.2		38.4
Prior service credit (cost) recognized during the period	0.6	(0.4)		2.4
Net actuarial gains (losses) occurring during the period	0.0	(2.2)		(1.6)
Net actuarial gains (losses) recognized due to settlement	0.1	(2.0)		(4.1)
Foreign currency impact	(0.2)	2.2		(1.5)
Fresh Start Accounting Adjustments	0.0	(50.1)		0.0
Balance at end of period	$ (6.0)	$ 0.0	$ (6.0)	$ 51.3	$ 17.7