REVENUES FROM CONTRACTS WITH CUSTOMERS - Allowance for Credit Loss (Details) - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
Beginning balance	$ 43.3	$ 56.2
Bad debt expense, net of recoveries	16.6	1.8
Write-offs	(5.9)	(9.4)
Other charges	0.4	0.5
Ending balance	$ 54.4	$ 49.1