DEBT - Components of Long-term Debt (Details) - USD ($) $ in Millions	Dec. 31, 2022	Dec. 31, 2021
Debt Instrument [Line Items]
Total long-term debt, net of discounts and deferred finance charges, prior to reclassification to Liabilities subject to compromise	$ 747.0	$ 3,442.7
Debt subject to compromise	3,385.0	0.0
Total debt, prior to reclassification to Liabilities subject to compromise	4,132.0	3,442.7
Less current portion	(746.9)	(137.2)
Less amounts reclassified to Liabilities subject to compromise	(3,385.0)	0.0
Long-term debt	0.1	3,305.5
Short-term borrowings	$ 0.2	$ 0.7
Weighted-average interest rate (as a percent)	11.40%	11.40%
DIP Term Loan Facility due 2023
Debt Instrument [Line Items]
Total long-term debt, net of discounts and deferred finance charges, prior to reclassification to Liabilities subject to compromise	$ 575.0	$ 0.0
Less current portion	(575.0)
SISO DIP ABL Facility due 2023
Debt Instrument [Line Items]
Total long-term debt, net of discounts and deferred finance charges, prior to reclassification to Liabilities subject to compromise	130.0	0.0
Less current portion	(130.0)
Tranche A DIP ABL Facility due 2023
Debt Instrument [Line Items]
Total long-term debt, net of discounts and deferred finance charges, prior to reclassification to Liabilities subject to compromise	41.8	0.0
Less current portion	(41.8)
Spanish Government Loan due 2025
Debt Instrument [Line Items]
Total long-term debt, net of discounts and deferred finance charges, prior to reclassification to Liabilities subject to compromise	0.2	0.2
2021 Foreign Asset-Based Term Facility due 2024
Debt Instrument [Line Items]
Total long-term debt, net of discounts and deferred finance charges, prior to reclassification to Liabilities subject to compromise	0.0	71.2
Amended 2016 Revolving Credit Facility (Tranche A) due 2024
Debt Instrument [Line Items]
Total long-term debt, net of discounts and deferred finance charges, prior to reclassification to Liabilities subject to compromise		108.0
Less current portion		(108.0)
SISO Term Loan Facility due 2024
Debt Instrument [Line Items]
Total long-term debt, net of discounts and deferred finance charges, prior to reclassification to Liabilities subject to compromise		126.2
2020 ABL FILO Term Loans due 2023
Debt Instrument [Line Items]
Total long-term debt, net of discounts and deferred finance charges, prior to reclassification to Liabilities subject to compromise		50.0
Debt subject to compromise	50.0
Less amounts reclassified to Liabilities subject to compromise	(50.0)
2020 Troubled-debt-restructuring: future interest
Debt Instrument [Line Items]
Total long-term debt, net of discounts and deferred finance charges, prior to reclassification to Liabilities subject to compromise		42.6
Debt subject to compromise	36.0
Less amounts reclassified to Liabilities subject to compromise	(36.0)
2020 BrandCo Term Loan Facility due 2025
Debt Instrument [Line Items]
Total long-term debt, net of discounts and deferred finance charges, prior to reclassification to Liabilities subject to compromise		1,749.7
Debt subject to compromise	1,995.3
Less amounts reclassified to Liabilities subject to compromise	(1,995.3)
2016 Term Loan Facility: 2016 Term Loan due 2023 and 2025
Debt Instrument [Line Items]
Total long-term debt, net of discounts and deferred finance charges, prior to reclassification to Liabilities subject to compromise		867.9
Debt subject to compromise	872.4
Less current portion		(9.2)
Less amounts reclassified to Liabilities subject to compromise	$ (872.4)
6.25% Senior Notes due 2024
Debt Instrument [Line Items]
Stated interest rate (as a percent)	6.25%
Total long-term debt, net of discounts and deferred finance charges, prior to reclassification to Liabilities subject to compromise		426.9
Debt subject to compromise	$ 431.3
Less amounts reclassified to Liabilities subject to compromise	$ (431.3)
2018 Foreign Asset-Based Term Facility due 2021
Debt Instrument [Line Items]
Less current portion		$ (18.5)