Debt - Schedule of Debt Instruments (Details) - USD ($) $ in Millions	6 Months Ended	12 Months Ended
Jun. 30, 2024	Dec. 31, 2023
Debt Instrument [Line Items]
Short-term debt	$ 30.0	$ 65.0
Long-term debt, net	2,480.2	2,676.5
Total debt, net	$ 2,510.2	$ 2,741.5
Weighted average cost of debt	5.60%	5.70%
Term loan, due 2026
Debt Instrument [Line Items]
Maturity date	Nov. 18, 2026
Term loan, due 2026 \| Secured debt
Debt Instrument [Line Items]
Long-term debt, net	$ 399.4	$ 598.9
Maturity date	Nov. 18, 2026	Nov. 18, 2026
5.000% senior unsecured notes, due 2027 \| Senior unsecured notes
Debt Instrument [Line Items]
Debt interest rate percentage	5.00%	5.00%
Maturity date	Aug. 15, 2027	Aug. 15, 2027
4.250% senior unsecured notes, due 2029 \| Senior unsecured notes
Debt Instrument [Line Items]
Debt interest rate percentage	4.25%	4.25%
Maturity date	Jan. 15, 2029	Jan. 15, 2029
4.625% senior unsecured notes, due 2030 \| Senior unsecured notes
Debt Instrument [Line Items]
Debt interest rate percentage	4.625%	4.625%
Maturity date	Mar. 15, 2030	Mar. 15, 2030
7.375% senior secured notes, due 2031 \| Secured debt
Debt Instrument [Line Items]
Debt interest rate percentage	7.375%	7.375%
Maturity date	Feb. 15, 2031	Feb. 15, 2031
Short-term debt \| AR Facility
Debt Instrument [Line Items]
Credit facility, outstanding amount	$ 30.0	$ 65.0
Long-term debt
Debt Instrument [Line Items]
Debt issuance costs	(19.2)	(22.4)
Long-term debt \| Senior unsecured notes
Debt Instrument [Line Items]
Long-term debt, net	1,650.0	1,650.0
Long-term debt \| 5.000% senior unsecured notes, due 2027 \| Senior unsecured notes
Debt Instrument [Line Items]
Long-term debt, net	650.0	650.0
Long-term debt \| 4.250% senior unsecured notes, due 2029 \| Senior unsecured notes
Debt Instrument [Line Items]
Long-term debt, net	500.0	500.0
Long-term debt \| 4.625% senior unsecured notes, due 2030 \| Senior unsecured notes
Debt Instrument [Line Items]
Long-term debt, net	500.0	500.0
Long-term debt \| 7.375% senior secured notes, due 2031 \| Secured debt
Debt Instrument [Line Items]
Long-term debt, net	$ 450.0	$ 450.0

Contractual interest rate for funds borrowed, under the debt agreement.

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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- Definition

Date when the debt instrument is scheduled to be fully repaid, in YYYY-MM-DD format.

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- Definition

Represents the aggregate of total long-term debt, including current maturities and short-term debt.

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Weighted average interest rate of debt outstanding.

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- Definition

Fair value of the amount outstanding under the credit facility.

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Amount, after deduction of unamortized premium (discount) and debt issuance cost, of long-term debt classified as noncurrent. Excludes lease obligation.

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The remaining balance of debt issuance expenses that were capitalized and are being amortized against income over the lives of the respective bond issues. This does not include the amounts capitalized as part of the cost of the utility plant or asset.

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