|**Debt (Tables)**                                | 9 Months Ended                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   
|------------------------------------------------ | -----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
|
|**Debt Disclosure [Abstract]**                   |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  
|Schedule of Long-Term Debt Instruments           | The following table presents our total debt outstanding:(in millions)September 30, 2024December 31, 2023Term Loan B-1 due 2028$289.5$291.8Term Loan A due 20291,187.41,235.0Revolver290.0247.22027 Senior Notes600.0600.02028 Senior Notes700.0700.02030 Senior Notes1,200.01,200.02031 Senior Notes600.0600.0Total debt4,866.94,874.0Current maturities of long-term debt(63.1)(68.0)Unamortized premium and deferred finance charges(33.2)(37.7)Total debt, net of current maturities and costs$4,770.6$4,768.3
|                                                 |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  
|(in millions)                                    | September 30, 2024                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               
|                                                 |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  
|                                                 |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  
|Term Loan B-1 due 2028                           | $                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                
|Term Loan A due 2029                             | 1,187.4                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          
|Revolver                                         | 290.0                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            
|2027 Senior Notes                                | 600.0                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            
|2028 Senior Notes                                | 700.0                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            
|2030 Senior Notes                                | 1,200.0                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          
|2031 Senior Notes                                | 600.0                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            
|Total debt                                       | 4,866.9                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          
|Current maturities of long-term debt             | (63.1)                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           
|Unamortized premium and deferred finance charges | (33.2)                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           
|Total debt, net of current maturities and costs  | $                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                

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