Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Millions	Dec. 31, 2022	Dec. 31, 2021
Consolidated Balance Sheets
Allowance for doubtful accounts	$ 63.9	$ 43.5
Class A Common Stock, par value (in dollars per share)	$ 0.001	$ 0.001
Common stock shares authorized	2,000,000,000.0	2,000,000,000.0
Class A Common Stock, shares issued	596,000,000.0	600,700,000
Class A Common Stock, shares outstanding	594,800,000	599,100,000
Treasury stock, shares	1,200,000	1,600,000