DERIVATIVE FINANCIAL INSTRUMENTS - Balance Sheet Table (Details) - USD ($) $ in Millions	Jun. 30, 2021	Dec. 31, 2020
Derivatives designated as hedges
Derivative [Line Items]
Net derivative asset (liability)	$ 8.2	$ (6.5)
Derivatives designated as hedges | Other current assets | Commodity swaps
Derivative [Line Items]
Derivative assets	14.2	7.2
Derivatives designated as hedges | Other Noncurrent Assets | Commodity swaps
Derivative [Line Items]
Derivative assets	1.5	0.3
Derivatives designated as hedges | Other Noncurrent Assets | Interest Rate Cap
Derivative [Line Items]
Derivative assets	0.8	0.0
Derivatives designated as hedges | Other current liabilities | Interest Rate Cap
Derivative [Line Items]
Derivatives liabilities	(1.2)	(1.2)
Derivatives designated as hedges | Other current liabilities | Foreign exchange contracts
Derivative [Line Items]
Derivatives liabilities	0.0	0.0
Derivatives designated as hedges | Other current liabilities | Cross currency swaps | Net Investment Hedging
Derivative [Line Items]
Derivatives liabilities	(1.2)	(2.0)
Derivatives designated as hedges | Other non-current liabilities | Interest Rate Cap
Derivative [Line Items]
Derivatives liabilities	0.0	(2.6)
Derivatives designated as hedges | Other non-current liabilities | Cross currency swaps | Net Investment Hedging
Derivative [Line Items]
Derivatives liabilities	(5.9)	(8.2)
Derivatives not designated as hedges
Derivative [Line Items]
Net derivative asset (liability)	(0.1)	0.0
Derivatives not designated as hedges | Other current assets | Commodity swaps
Derivative [Line Items]
Derivative assets	0.0	0.0
Derivatives not designated as hedges | Other Noncurrent Assets | Commodity swaps
Derivative [Line Items]
Derivative assets	0.0	0.0
Derivatives not designated as hedges | Other Noncurrent Assets | Interest Rate Cap
Derivative [Line Items]
Derivative assets	0.0	0.0
Derivatives not designated as hedges | Other current liabilities | Interest Rate Cap
Derivative [Line Items]
Derivatives liabilities	0.0	0.0
Derivatives not designated as hedges | Other current liabilities | Foreign exchange contracts
Derivative [Line Items]
Derivatives liabilities	(0.1)	0.0
Derivatives not designated as hedges | Other current liabilities | Cross currency swaps | Net Investment Hedging
Derivative [Line Items]
Derivatives liabilities	0.0	0.0
Derivatives not designated as hedges | Other non-current liabilities | Interest Rate Cap
Derivative [Line Items]
Derivatives liabilities	0.0	0.0
Derivatives not designated as hedges | Other non-current liabilities | Cross currency swaps | Net Investment Hedging
Derivative [Line Items]
Derivatives liabilities	$ 0.0	$ 0.0