REVENUE - Summarized of Accounts Receivable and Current and Long-term Contract Assets and Liabilities (Details) - USD ($) $ in Millions	Mar. 31, 2024	Dec. 31, 2023	Mar. 31, 2023
Revenue from Contract with Customer [Abstract]
Accounts Receivable, Less Allowance	$ 2,809.1	$ 2,467.9	$ 2,909.2
Contract Assets (Current)	61.5	46.2
Contract Assets (Long-Term)	226.3	151.7
Contract Liabilities (Current)	254.0	365.7
Contract Liabilities (Long-Term)	$ 4.7	$ 3.8