OTHER CURRENT ASSETS & OTHER CURRENT LIABILITIES - Schedule of Other Current Assets (Details) - USD ($) $ in Millions	Jun. 30, 2023	Dec. 31, 2022
Other Current Assets and Other Current Liabilities [Abstract]
Value-added tax receivables	$ 211.2	$ 185.6
Withholding tax and other receivables	145.0	137.8
Prepaid expenses	94.6	61.9
Assets held for sale	4.2	18.6
Held-to-maturity investments	6.3	15.1
Current financial assets at amortized cost	94.0	12.4
Other	26.5	23.6
Total other current assets	$ 581.8	$ 455.0