Quarterly report pursuant to Section 13 or 15(d)

Noncontrolling Interests (Details)

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Noncontrolling Interests (Details)
$ / shares in Units, $ in Millions
 3 Months Ended
Oct. 20, 2021
vote
day
$ / shares
shares
Mar. 31, 2024
USD ($)
vote
shares
Dec. 31, 2023
USD ($)
Mar. 31, 2023
USD ($)
Dec. 31, 2022
USD ($)
Noncontrolling Interest [Line Items]          
Share-based compensation arrangement by share-based payment award, fair value assumptions, exercise price (in dollars per share) | $ / shares $ 10.00        
Debt instrument, convertible, threshold trading days for redemption | day 3        
Noncontrolling interest | $   $ 1,517.9 $ 1,550.0 $ 1,588.0 $ 1,467.2
Noncontrolling Interests          
Noncontrolling Interest [Line Items]          
Noncontrolling interest | $   $ 60.7 $ 65.5 $ 66.7 $ 69.0
IntermediateCo Class A common stock | GSAH          
Noncontrolling Interest [Line Items]          
Percentage of voting shares 100.00%        
IntermediateCo Class B common stock          
Noncontrolling Interest [Line Items]          
Shares issued (in shares) | shares 1        
Percentage of non-voting share 96.00%        
Percentage of non-voting interests not attributable portion 4.00% 3.20%      
Class B Common Stock          
Noncontrolling Interest [Line Items]          
Common stock, number of votes per common share | vote 1 1      
Common stock, convertible, conversion r.atio 1        
Class B Common Stock | Intermediate Co          
Noncontrolling Interest [Line Items]          
Business acquisition equity interest issued or issuable (in shares) | shares 8,560,540 7,326,423      
Class A Common Stock          
Noncontrolling Interest [Line Items]          
Common stock, number of votes per common share | vote   1      
Common stock, convertible, conversion r.atio 1