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CONSOLIDATED BALANCE SHEETS (Parenthetical) - USD ($)
$ in Millions
Dec. 31, 2023
Dec. 31, 2022
Statement of Financial Position [Abstract]    
Receivables, allowance for doubtful accounts $ 102.0 $ 92.4
Property and equipment, accumulated depreciation and amortization 1,576.1 1,386.3
Other intangible assets, accumulated amortization 2,178.9 1,915.7
Investments in unconsolidated entities, fair value $ 997.3 $ 973.6
Class A common stock, par value (in USD per share) $ 0.01 $ 0.01
Class A common stock, shares authorized (in shares) 525,000,000 525,000,000
Class A common stock issued (in shares) 304,889,140 311,014,160
Class A common stock outstanding (in shares) 304,889,140 311,014,160