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Debt - Schedule of Debt (Details) - USD ($)
$ in Millions
Mar. 31, 2024
Dec. 31, 2023
Aug. 14, 2023
Debt [Abstract]      
Short-term borrowings $ 1.7 $ 1.0  
Long-term debt:      
Finance leases and other long-term debt 14.9 15.2  
Unamortized debt issuance costs (22.3) (23.4)  
Total long-term debt, net, including current maturities 2,716.6 2,722.6  
Current maturities of long-term debt 29.6 29.6  
Total long-term debt, net 2,687.0 2,693.0  
Unamortized discounts 9.5 9.9  
Dollar Term Loan B, due 2027      
Long-term debt:      
Long-term debt, gross $ 342.9 347.7  
Stated interest rate of debt instrument (as percent) 7.18%    
Weighted-average interest rate of debt instrument (as percent) 7.19%    
Dollar Term Loan, Due 2027      
Long-term debt:      
Long-term debt, gross $ 890.0 892.3  
Stated interest rate of debt instrument (as percent) 7.18%    
Weighted-average interest rate of debt instrument (as percent) 7.19%    
5.40% Senior Notes due 2028 | Senior Notes      
Long-term debt:      
Long-term debt, gross $ 498.3 $ 498.2  
Stated interest rate of debt instrument (as percent) 5.40% 5.40% 5.40%
5.70% Senior Notes due 2033 | Senior Notes      
Long-term debt:      
Long-term debt, gross $ 992.8 $ 992.6  
Stated interest rate of debt instrument (as percent) 5.70% 5.70% 5.70%