SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Aggregate Allowance for Credit Losses (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
Beginning balance	$ 39.7
Provision	14.0	$ 7.0	$ 7.0
Write-offs	(9.1)
Foreign currency exchange	(0.7)
Ending balance	$ 43.9	$ 39.7