REVENUE - Summarized of Accounts Receivable and Current and Long-term Contract Assets and Liabilities (Details) - USD ($) $ in Millions	Sep. 30, 2023	Dec. 31, 2022	Sep. 30, 2022
Revenue from Contract with Customer [Abstract]
Accounts Receivable, Less Allowance	$ 2,940.9	$ 2,563.6	$ 2,897.6
Contract Assets (Current)	43.4	43.8
Contract Assets (Long-Term)	152.3	117.7
Contract Liabilities (Current)	325.3	292.9
Contract Liabilities (Long-Term)	$ 8.3	$ 7.1