Revenue - Accounts Receivable and Current and Long-Term Contract Assets and Liabilities (Details) - USD ($) $ in Millions	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Revenue from Contract with Customer [Abstract]
Accounts Receivable, Less Allowance	$ 2,563.6	$ 2,352.4	$ 2,078.1
Contract Assets (Current)	43.8	60.9
Contract Assets (Long-Term)	117.7	131.2
Contract Liabilities (Current)	292.9	259.8
Contract Liabilities (Long-Term)	$ 7.1	$ 9.2