v3.23.1
Long-Term Debt - Summary (Details) - USD ($)
$ in Millions
Mar. 31, 2023
Dec. 31, 2022
Debt Instrument    
Outstanding Principal $ 4,869.8 $ 4,764.2
Premium (Discount) (5.7) (5.8)
Long-Term Debt 4,864.1 4,758.4
Debt issuance costs (36.1) (34.9)
Long-term debt, net of unamortized issuance cost 4,828.0 4,723.5
Debt issuance cost accumulated amortization 16.5 15.1
Revolving Credit Facility Due 2027    
Debt Instrument    
Outstanding Principal 505.0 255.0
Premium (Discount) 0.0 0.0
Long-Term Debt $ 505.0 $ 255.0
Effective interest rate (as a percent) 6.90% 6.50%
AR Facility due 2025    
Debt Instrument    
Outstanding Principal $ 355.6 $ 500.0
Premium (Discount) 0.0 0.0
Long-Term Debt $ 355.6 $ 500.0
Effective interest rate (as a percent) 5.80% 5.30%
4.40% Senior Notes due 2024    
Debt Instrument    
Outstanding Principal $ 97.9 $ 97.9
Premium (Discount) 0.0 0.0
Long-Term Debt $ 97.9 97.9
Stated interest rate (as a percent) 4.40%  
4.15% Senior Notes Due 2025    
Debt Instrument    
Outstanding Principal $ 421.6 421.6
Premium (Discount) (0.1) (0.1)
Long-Term Debt $ 421.5 421.5
Stated interest rate (as a percent) 4.15%  
4.85% Senior Unsecured Notes Due 2026    
Debt Instrument    
Outstanding Principal $ 491.0 491.0
Premium (Discount) (0.2) (0.2)
Long-Term Debt $ 490.8 490.8
Stated interest rate (as a percent) 4.85%  
5.625% Senior unsecured notes due 2028    
Debt Instrument    
Outstanding Principal $ 500.0 500.0
Premium (Discount) 0.0 0.0
Long-Term Debt $ 500.0 500.0
Stated interest rate (as a percent) 5.625%  
5.375% Senior Notes Due 2029    
Debt Instrument    
Outstanding Principal $ 498.7 498.7
Premium (Discount) 0.0 0.0
Long-Term Debt $ 498.7 498.7
Stated interest rate (as a percent) 5.375%  
6.50% Senior Notes due 2030    
Debt Instrument    
Outstanding Principal $ 700.0 700.0
Premium (Discount) 0.0 0.0
Long-Term Debt $ 700.0 700.0
Stated interest rate (as a percent) 6.50%  
5.60% Senior Notes due 2044    
Debt Instrument    
Outstanding Principal $ 350.0 350.0
Premium (Discount) (0.2) (0.2)
Long-Term Debt $ 349.8 349.8
Stated interest rate (as a percent) 5.60%  
5.05% Senior Notes due 2045    
Debt Instrument    
Outstanding Principal $ 450.0 450.0
Premium (Discount) (5.1) (5.2)
Long-Term Debt $ 444.9 444.8
Stated interest rate (as a percent) 5.05%  
5.45% Senior Notes due 2045    
Debt Instrument    
Outstanding Principal $ 500.0 500.0
Premium (Discount) (0.1) (0.1)
Long-Term Debt $ 499.9 $ 499.9
Stated interest rate (as a percent) 5.45%