REVENUE - Summarized of Accounts Receivable and Current and Long-term Contract Assets and Liabilities (Details) - USD ($) $ in Millions	Sep. 30, 2022	Dec. 31, 2021	Sep. 30, 2021
Revenue from Contract with Customer [Abstract]
Accounts Receivable, Less Allowance	$ 2,897.6	$ 2,352.4	$ 2,598.0
Contract Assets (Current)	75.8	60.9
Contract Assets (Long-Term)	111.1	131.2
Contract Liabilities (Current)	300.6	259.8
Contract Liabilities (Long-Term)	$ 7.1	$ 9.2