Consolidated Condensed Balance Sheets (Parenthetical) - USD ($) $ in Millions	Jun. 30, 2023	Dec. 31, 2022
Statement of Financial Position [Abstract]
Allowance for doubtful accounts	$ 40.4	$ 43.9
Accumulated depreciation	$ 789.2	$ 754.5
Common stock, par value (in dollars per share)	$ 0.01	$ 0.01
Common stock, shares authorized (in shares)	2,000,000,000	2,000,000,000
Common stock, shares issued (in shares)	362,700,000	361,500,000
Common stock, shares outstanding (in shares)	351,900,000	352,900,000