ACCOUNTS RECEIVABLES (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019	May 08, 2020	Apr. 23, 2020	Mar. 27, 2020	Dec. 31, 2019	Jul. 16, 2019	Dec. 31, 2018	Dec. 31, 2016
Accounts, Notes, Loans and Financing Receivable [Line Items]
Receivables Financing Agreement Maximum Borrowing Capacity											$ 250.0
Receivables Financing Agreement Collateral	$ 326.4		$ 326.4
Receivables Financing Agreement Outstanding Balance	240.7	$ 150.0	240.7	$ 150.0				$ 0.0
Receivables Financing Agreement Available Borrowing Capacity	0.0		0.0
AR Facilities, Maximum Outstanding Sales	315.0		315.0
AR Facilities, Amount Outstanding to be Serviced	61.7	98.7	61.7	98.7				63.1		$ 132.4
AR Facilities, Gross receivables sold			457.5	522.4
AR Facilities, Payments received from customers on sold accounts			(458.9)	(556.1)
AR Facilities, Interest Expense	0.4	1.0	1.0	1.5
AR Facilities, Recourse Liability	$ 0.0	$ 0.0	0.0	$ 0.0				$ 0.0
AR Securitization
Accounts, Notes, Loans and Financing Receivable [Line Items]
Receivables Financing Agreement Maximum Borrowing Capacity						$ 250.0			$ 10.0
Receivables Financing Agreement Amount Borrowed			$ 240.7
Receivables Financing Agreement Minimum Borrowing Percentage							50.00%
$1,300.0 million Senior Secured Credit Facility
Accounts, Notes, Loans and Financing Receivable [Line Items]
2020 Senior Secured Credit Facility					$ 1,300.0