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Long-term Debt - Long-term Debt Outstanding (Details) - USD ($)
$ in Millions
Jun. 30, 2024
Dec. 31, 2023
Schedule of Outstanding Long-term Debt    
Finance lease obligations $ 329.4 $ 340.1
Total debt and finance lease obligations 2,716.6 2,712.6
Less: Current portion (32.5) (24.8)
Long-term debt, net of current portion $ 2,684.1 $ 2,687.8
Senior Notes | 5.75% Senior Notes due 2025    
Schedule of Outstanding Long-term Debt    
Debt instrument interest rate (as percent) 5.75% 5.75%
Long-term debt $ 349.0 $ 348.5
Senior Notes | 4.50% Senior Notes due 2028    
Schedule of Outstanding Long-term Debt    
Debt instrument interest rate (as percent) 4.50% 4.50%
Long-term debt $ 786.7 $ 785.0
Senior Notes | 4.75% Senior Notes due 2030    
Schedule of Outstanding Long-term Debt    
Debt instrument interest rate (as percent) 4.75% 4.75%
Long-term debt $ 782.8 $ 781.5
Senior Notes | 4.625% Senior Notes due 2031    
Schedule of Outstanding Long-term Debt    
Debt instrument interest rate (as percent) 4.625% 4.625%
Long-term debt $ 392.0 $ 391.5
Other notes payable    
Schedule of Outstanding Long-term Debt    
Long-term debt 76.7 66.0
Advances under revolving credit facility | Line of Credit | Credit Agreement    
Schedule of Outstanding Long-term Debt    
Long-term debt $ 0.0 $ 0.0