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Long-term Debt - Long-term Debt Outstanding (Details) - USD ($)
$ in Millions
Dec. 31, 2023
Dec. 31, 2022
Oct. 31, 2020
Sep. 30, 2015
Schedule of Outstanding Long-term Debt        
Finance lease obligations $ 340.1 $ 359.8    
Total debt and Capital lease obligations 2,712.6 2,767.0    
Less: Current portion (24.8) (25.2)    
Long-term debt, net of current portion $ 2,687.8 $ 2,741.8    
Senior Notes | 5.75% Senior Notes due 2025        
Schedule of Outstanding Long-term Debt        
Debt instrument interest rate (percent) 5.75% 5.75%   5.75%
Total debt $ 348.5 $ 347.7    
Senior Notes | 4.50% Senior Notes due 2028        
Schedule of Outstanding Long-term Debt        
Debt instrument interest rate (percent) 4.50% 4.50%    
Total debt $ 785.0 $ 781.8    
Senior Notes | 4.75% Senior Notes due 2030        
Schedule of Outstanding Long-term Debt        
Debt instrument interest rate (percent) 4.75% 4.75%    
Total debt $ 781.5 $ 779.0    
Senior Notes | 4.625% Senior Notes due 2031        
Schedule of Outstanding Long-term Debt        
Debt instrument interest rate (percent) 4.625% 4.625% 4.625%  
Total debt $ 391.5 $ 390.6    
Other notes payable        
Schedule of Outstanding Long-term Debt        
Total debt 66.0 53.1    
Advances under revolving credit facility        
Schedule of Outstanding Long-term Debt        
Total debt 0.0 55.0    
Advances under revolving credit facility | Line of Credit | The Credit Agreement        
Schedule of Outstanding Long-term Debt        
Total debt $ 0.0 $ 55.0