Long-Term Debt - Summary (Details) - USD ($) $ in Millions	Mar. 31, 2024	Dec. 31, 2023
Debt Instrument
Outstanding Principal	$ 4,606.2	$ 4,609.2
Premium (Discount)	(8.0)	(8.2)
Long-Term Debt	4,598.2	4,601.0
Debt issuance costs	(30.8)	(32.1)
Less: Current maturities of long-term debt	(97.9)	(97.9)
Long-term debt, net of unamortized issuance cost	4,469.5	4,471.0
Debt issuance cost accumulated amortization	21.4	20.0
Revolving Credit Facility Due 2027
Debt Instrument
Outstanding Principal	150.0	0.0
Premium (Discount)	0.0	0.0
Long-Term Debt	$ 150.0	0.0
Effective interest rate (as a percent)	6.90%
AR Facility due 2025
Debt Instrument
Outstanding Principal	$ 147.0	300.0
Premium (Discount)	0.0	0.0
Long-Term Debt	$ 147.0	$ 300.0
Effective interest rate (as a percent)	6.30%	6.40%
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)	0.0	0.0
Long-Term Debt	$ 421.6	421.6
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	$ 1,000.0	1,000.0
Premium (Discount)	(2.6)	(2.7)
Long-Term Debt	$ 997.4	997.3
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)	(4.9)	(5.0)
Long-Term Debt	$ 445.1	445.0
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%