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Fair Value Measurements - Carrying Amounts and Estimated Fair Values, Financial Instruments (Details) - USD ($)
$ in Millions
Jun. 30, 2024
Dec. 31, 2023
Senior Notes | 5.75% Senior Notes due 2025    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Debt instrument interest rate (as percent) 5.75% 5.75%
Senior Notes | 5.75% Senior Notes due 2025 | Carrying Amount    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Carrying amounts and estimated fair values of financial instruments $ 349.0 $ 348.5
Senior Notes | 5.75% Senior Notes due 2025 | Estimated Fair Value    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Carrying amounts and estimated fair values of financial instruments $ 349.0 $ 349.3
Senior Notes | 4.50% Senior Notes due 2028    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Debt instrument interest rate (as percent) 4.50% 4.50%
Senior Notes | 4.50% Senior Notes due 2028 | Carrying Amount    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Carrying amounts and estimated fair values of financial instruments $ 786.7 $ 785.0
Senior Notes | 4.50% Senior Notes due 2028 | Estimated Fair Value    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Carrying amounts and estimated fair values of financial instruments $ 759.0 $ 763.6
Senior Notes | 4.75% Senior Notes due 2030    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Debt instrument interest rate (as percent) 4.75% 4.75%
Senior Notes | 4.75% Senior Notes due 2030 | Carrying Amount    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Carrying amounts and estimated fair values of financial instruments $ 782.8 $ 781.5
Senior Notes | 4.75% Senior Notes due 2030 | Estimated Fair Value    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Carrying amounts and estimated fair values of financial instruments $ 748.4 $ 755.0
Senior Notes | 4.625% Senior Notes due 2031    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Debt instrument interest rate (as percent) 4.625% 4.625%
Senior Notes | 4.625% Senior Notes due 2031 | Carrying Amount    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Carrying amounts and estimated fair values of financial instruments $ 392.0 $ 391.5
Senior Notes | 4.625% Senior Notes due 2031 | Estimated Fair Value    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Carrying amounts and estimated fair values of financial instruments 367.4 369.4
Other notes payable | Carrying Amount    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Carrying amounts and estimated fair values of financial instruments 76.7 66.0
Other notes payable | Estimated Fair Value    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Carrying amounts and estimated fair values of financial instruments 76.7 66.0
Letters of credit | Carrying Amount    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Carrying amounts and estimated fair values of financial instruments 0.0 0.0
Letters of credit | Estimated Fair Value    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Carrying amounts and estimated fair values of financial instruments $ 36.3 $ 31.9