v3.26.3
Noncontrolling Interests (Details)
$ in Millions
9 Months Ended 12 Months Ended
Oct. 20, 2021
Sep. 30, 2026
USD ($)
shares
Dec. 31, 2025
USD ($)
shares
Jun. 30, 2026
USD ($)
Mar. 31, 2026
USD ($)
Sep. 30, 2025
USD ($)
Jun. 30, 2025
USD ($)
Mar. 31, 2025
USD ($)
Dec. 31, 2024
USD ($)
Noncontrolling Interest [Line Items]                  
Noncontrolling interest   $ 1,836.0 $ 1,916.9 $ 1,875.4 $ 1,888.5 $ 1,892.0 $ 1,513.6 $ 1,556.7 $ 1,559.1
Noncontrolling Interests                  
Noncontrolling Interest [Line Items]                  
Noncontrolling interest   $ 50.1 $ 50.5 $ 49.6 $ 50.2 $ 50.7 $ 51.3 $ 52.9 $ 53.5
Class A Common Stock                  
Noncontrolling Interest [Line Items]                  
Common stock, convertible, conversion ratio 1                
Warrant redemption threshold consecutive trading days 3 years                
Class B Common Stock                  
Noncontrolling Interest [Line Items]                  
Common stock, convertible, conversion ratio   1              
Class B Common Stock | Intermediate Co                  
Noncontrolling Interest [Line Items]                  
Business acquisition equity interest issued or issuable (in shares) | shares   5,759,555 5,869,555            
IntermediateCo Class B common stock                  
Noncontrolling Interest [Line Items]                  
Percentage of non-voting interests not attributable portion (as a percent)   2.30%              
IntermediateCo Class B Common Stock                  
Noncontrolling Interest [Line Items]                  
Percentage of non-voting interests not attributable portion (as a percent)     2.30%