DERIVATIVE FINANCIAL INSTRUMENTS (Details 2) - USD ($) $ in Millions	Mar. 31, 2020	Dec. 31, 2019	Mar. 31, 2019
Derivatives, Fair Value [Line Items]
Asset derivatives	$ (3.3)	$ (2.6)	$ (8.6)
Liability derivatives	(44.5)	(20.8)	(33.8)
Other Current Assets
Derivatives, Fair Value [Line Items]
Asset derivatives	(3.2)	(1.9)	(6.5)
Other Assets
Derivatives, Fair Value [Line Items]
Asset derivatives	(0.1)	(0.7)	(2.1)
Accrued Liabilities
Derivatives, Fair Value [Line Items]
Liability derivatives	(38.3)	(19.0)	(9.4)
Other Liabilities
Derivatives, Fair Value [Line Items]
Liability derivatives	(6.2)	(1.8)	(24.4)
Interest Rate Contract | Designated as Hedging Instrument | Other Current Assets
Derivatives, Fair Value [Line Items]
Asset derivatives	0.0	0.0	(3.6)
Commodity Contracts Losses | Designated as Hedging Instrument | Other Current Assets
Derivatives, Fair Value [Line Items]
Asset derivatives	0.0	0.5	0.6
Commodity Contracts Losses | Designated as Hedging Instrument | Other Assets
Derivatives, Fair Value [Line Items]
Asset derivatives	0.0	0.1	0.1
Commodity Contracts Losses | Designated as Hedging Instrument | Accrued Liabilities
Derivatives, Fair Value [Line Items]
Liability derivatives	(36.0)	(18.0)	(9.8)
Commodity Contracts Losses | Designated as Hedging Instrument | Other Liabilities
Derivatives, Fair Value [Line Items]
Liability derivatives	(6.6)	(1.8)	(0.9)
Commodity Contracts Gains | Designated as Hedging Instrument | Other Current Assets
Derivatives, Fair Value [Line Items]
Asset derivatives	0.0	(1.8)	(3.2)
Commodity Contracts Gains | Designated as Hedging Instrument | Other Assets
Derivatives, Fair Value [Line Items]
Asset derivatives	(0.1)	(0.8)	(2.2)
Commodity Contracts Gains | Designated as Hedging Instrument | Accrued Liabilities
Derivatives, Fair Value [Line Items]
Liability derivatives	1.0	0.2	0.6
Commodity Contracts Gains | Designated as Hedging Instrument | Other Liabilities
Derivatives, Fair Value [Line Items]
Liability derivatives	0.4	0.0	0.0
Foreign Exchange Contract | Not Designated as Hedging Instrument | Other Current Assets
Derivatives, Fair Value [Line Items]
Asset derivatives	(3.3)	(1.1)	(0.6)
Foreign Exchange Contract | Not Designated as Hedging Instrument | Accrued Liabilities
Derivatives, Fair Value [Line Items]
Liability derivatives	1.5	0.2	0.0
Foreign Exchange Contract Loss | Not Designated as Hedging Instrument | Other Current Assets
Derivatives, Fair Value [Line Items]
Asset derivatives	0.1	0.5	0.3
Foreign Exchange Contract Loss | Not Designated as Hedging Instrument | Accrued Liabilities
Derivatives, Fair Value [Line Items]
Liability derivatives	(4.8)	(1.4)	(0.2)
Interest Rate Contract Loss | Designated as Hedging Instrument | Other Liabilities
Derivatives, Fair Value [Line Items]
Liability derivatives	$ 0.0	$ 0.0	$ (23.5)