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Stockholders' Equity (Details) - USD ($)
shares in Thousands, $ in Millions
 3 Months Ended 9 Months Ended
Sep. 30, 2023
Jun. 30, 2023
 [1]
Mar. 31, 2023
Sep. 30, 2022
Jun. 30, 2022
Mar. 31, 2022
Sep. 30, 2023
Aug. 31, 2023
Class of Stock [Line Items]                
Aggregate purchase price $ 528.2 [1] $ 511.6 $ 113.9 $ 109.6 $ 236.3 $ 750.2    
Remaining authorization available $ 1,554.6           $ 1,554.6  
Class A Common Stock                
Class of Stock [Line Items]                
Repurchase of additional stock               $ 1,000.0
Authorized amount               $ 4,000.0
Class A Common Stock | New Accelerated Share Repurchase Agreement                
Class of Stock [Line Items]                
Repurchases of Class A common stock (in shares)             15,738  
Aggregate purchase price             $ 1,145.3  
[1] Includes a 1% excise tax on shares repurchased, net of the fair market value of new share issuances, of $4.6 million.