Income Taxes (Tables)

6 Months Ended

Jun. 30, 2024

Income Tax Disclosure [Abstract]

Schedule of Components of Income Tax Expense (Benefit)

The components of our income tax expense are as follows (in millions):

	Three Months Ended June 30,				Six Months Ended June 30,
	2024		2023		2024		2023
Current income tax expense	$	(0.2)	$	(0.2)	$	(0.4)	$	(0.3)
Deferred income tax expense	(9.8)		(18.8)		(5.8)		(29.6)
Income tax expense	$	(10.0)	$	(19.0)	$	(6.2)	$	(29.9)

Reconciliation of Total Income Tax Expense to Income before Income Taxes

The following schedule reconciles income tax expense and the amount calculated by applying the statutory U.S. federal tax rate to income before non-controlling interest and income taxes (in millions):

	Three Months Ended June 30,				Six Months Ended June 30,
	2024		2023		2024		2023
Expected income tax expense based on federal statutory tax rate	$	(8.3)	$	(15.4)	$	(10.5)	$	(29.9)
State income tax expense, net of federal benefit	(1.1)		(2.0)		(1.5)		(3.8)
Unit-based compensation (1)	0.4		0.1		7.7		6.6
Other	(1.0)		(1.7)		(1.9)		(2.8)
Income tax expense	$	(10.0)	$	(19.0)	$	(6.2)	$	(29.9)

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(1)Related to book-to-tax differences recorded upon the vesting of unit-based awards.