ACCOUNTS RECEIVABLES (Details) - USD ($) $ in Millions		12 Months Ended
	Jul. 16, 2019	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018	May 08, 2020	Apr. 23, 2020	Mar. 27, 2020	Dec. 20, 2016
Accounts, Notes, Loans and Financing Receivable [Line Items]
Notes payable		$ 3,905.2	$ 3,381.2
Receivables Financing Agreement Outstanding Balance		125.0	0.0
Receivables Financing Available Borrowing Capacity		124.0
AR Facilities, Maximum Outstanding Sales		228.0
AR Facilities, Amount Outstanding to be Serviced		48.8	63.1	$ 132.4
AR Facilities, Gross receivables sold		854.3	984.8
AR Facilities, Payments received from customers on sold accounts		(868.6)	(1,054.1)
AR Facilities, Interest Expense		1.5	2.9	$ 4.3
AR Facilities, Recourse Liability		0.0
Other Receivables		62.4	87.4
Receivables Financing Agreement
Accounts, Notes, Loans and Financing Receivable [Line Items]
Receivables Financing Agreement Maximum Borrowing Capacity	$ 10.0					$ 250.0		$ 250.0
Receivables Financing Agreement Minimum Borrowing Percentage							50.00%
Receivables Financing Agreement Repayments	$ 150.0		150.0
Receivables Financing Agreement Outstanding Balance		125.0	0.0
Receivables Financing Agreement Collateral		332.8
$1,300.0 million Senior Secured Credit Facility
Accounts, Notes, Loans and Financing Receivable [Line Items]
2020 Senior Secured Credit Facility					$ 1,300.0
2029 Notes
Accounts, Notes, Loans and Financing Receivable [Line Items]
Notes payable		$ 750.0	$ 750.0