DEBT - Components of Long-term Debt (Details) - USD ($) $ in Millions	Dec. 31, 2021	Dec. 31, 2020
Debt Instrument [Line Items]
Total long-term debt, net of discounts and deferred finance charges	$ 3,442.7	$ 3,322.5
Less current portion	(137.2)	(217.5)
Long-term debt	3,305.5	3,105.0
Short-term borrowings	$ 0.7	$ 2.5
Weighted-average interest rate (as a percent)	11.40%	11.70%
Amended 2016 Revolving Credit Facility (Tranche A) due 2024
Debt Instrument [Line Items]
Total long-term debt, net of discounts and deferred finance charges	$ 108.0	$ 136.7
Less current portion	(108.0)	(136.7)
SISO Term Loan Facility due 2024
Debt Instrument [Line Items]
Total long-term debt, net of discounts and deferred finance charges	126.2	0.0
2021 Foreign Asset-Based Term Facility due 2024
Debt Instrument [Line Items]
Total long-term debt, net of discounts and deferred finance charges	71.2	0.0
2020 ABL FILO Term Loans due 2023
Debt Instrument [Line Items]
Total long-term debt, net of discounts and deferred finance charges	50.0	50.0
2020 Troubled-debt-restructuring: future interest
Debt Instrument [Line Items]
Total long-term debt, net of discounts and deferred finance charges	42.6	57.8
2020 BrandCo Term Loan Facility due 2025
Debt Instrument [Line Items]
Total long-term debt, net of discounts and deferred finance charges	1,749.7	1,719.8
Less current portion	(18.5)	(13.7)
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	867.9	874.8
Less current portion	(9.2)	(9.2)
2018 Foreign Asset-Based Term Facility due 2021
Debt Instrument [Line Items]
Total long-term debt, net of discounts and deferred finance charges	$ 0.0	57.7
Less current portion		(57.7)
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	$ 426.9	425.4
Spanish Government Loan due 2025
Debt Instrument [Line Items]
Total long-term debt, net of discounts and deferred finance charges	$ 0.2	$ 0.3

Contractual interest rate for funds borrowed, under the debt agreement.

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