FAIR VALUE MEASUREMENTS (Details) - USD ($) $ in Millions	Mar. 31, 2020	Dec. 31, 2019
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Asset Derivatives	$ 0.0	$ 0.0
Liability Derivatives	(86.7)	(53.5)
Interest rate swap agreements
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Asset Derivatives	0.0	0.0
Liability Derivatives	(86.7)	(53.5)
Interest rate swap agreements | Quoted Prices in Active Markets Level 1
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Asset Derivatives	0.0	0.0
Liability Derivatives	0.0	0.0
Interest rate swap agreements | Significant Other Observable Inputs Level 2
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Asset Derivatives	0.0	0.0
Liability Derivatives	(86.7)	(53.5)
Interest rate swap agreements | Significant Unobservable Inputs Level 3
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Asset Derivatives	0.0	0.0
Liability Derivatives	$ 0.0	$ 0.0