Long-Term Debt - Summary of Long-Term Debt (Details) - USD ($) $ in Millions	Dec. 31, 2023	Dec. 31, 2022
Debt Instrument
Outstanding Principal	$ 4,609.2	$ 4,764.2
Premium (Discount)	(8.2)	(5.8)
Long-Term Debt	4,601.0	4,758.4
Debt issuance costs	(32.1)	(34.9)
Less: current maturities of long-term debt	(97.9)	0.0
Long-term debt, net of unamortized issuance cost	4,471.0	4,723.5
Debt issuance cost accumulated amortization	20.0	15.1
AR Facility due 2025
Debt Instrument
Outstanding Principal	300.0	500.0
Premium (Discount)	0.0	0.0
Long-Term Debt	$ 300.0	$ 500.0
Effective interest rate	6.40%	5.30%
Credit Facility Due 2024
Debt Instrument
Outstanding Principal	$ 0.0	$ 255.0
Premium (Discount)	0.0	0.0
Long-Term Debt	$ 0.0	$ 255.0
Effective interest rate		6.50%
4.40% Senior Notes due 2024
Debt Instrument
Stated interest rate	4.40%
Outstanding Principal	$ 97.9	$ 97.9
Premium (Discount)	0.0	0.0
Long-Term Debt	$ 97.9	97.9
4.15% Senior Notes due 2025
Debt Instrument
Stated interest rate	4.15%
Outstanding Principal	$ 421.6	421.6
Premium (Discount)	0.0	(0.1)
Long-Term Debt	$ 421.6	421.5
4.85 Senior Unsecured Notes Due 2026
Debt Instrument
Stated interest rate	4.85%
Outstanding Principal	$ 491.0	491.0
Premium (Discount)	(0.2)	(0.2)
Long-Term Debt	$ 490.8	490.8
5.625% Senior unsecured notes due 2028
Debt Instrument
Stated interest rate	5.625%
Outstanding Principal	$ 500.0	500.0
Premium (Discount)	0.0	0.0
Long-Term Debt	$ 500.0	500.0
5.375% Senior unsecured notes due 2029
Debt Instrument
Stated interest rate	5.375%
Outstanding Principal	$ 498.7	498.7
Premium (Discount)	0.0	0.0
Long-Term Debt	$ 498.7	498.7
6.50% Senior unsecured notes due 2030
Debt Instrument
Stated interest rate	6.50%
Outstanding Principal	$ 1,000.0	700.0
Premium (Discount)	(2.7)	0.0
Long-Term Debt	$ 997.3	700.0
5.6% Senior Notes due 2044
Debt Instrument
Stated interest rate	5.60%
Outstanding Principal	$ 350.0	350.0
Premium (Discount)	(0.2)	(0.2)
Long-Term Debt	$ 349.8	349.8
5.05 Senior Notes due 2045
Debt Instrument
Stated interest rate	5.05%
Outstanding Principal	$ 450.0	450.0
Premium (Discount)	(5.0)	(5.2)
Long-Term Debt	$ 445.0	444.8
Senior Unsecured Notes, 5.45%, Due 2047
Debt Instrument
Stated interest rate	5.45%
Outstanding Principal	$ 500.0	500.0
Premium (Discount)	(0.1)	(0.1)
Long-Term Debt	$ 499.9	$ 499.9

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Amount, after accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.

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