Income Taxes (Tables)

3 Months Ended

Mar. 31, 2019

Schedule of Components of Income Tax Expense (Benefit)

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



	Three Months Ended March 31,
	2019		2018
Current income tax provision	$	1.0	$	1.2
Deferred income tax provision	0.8		5.8
Income tax provision	$	1.8	$	7.0

Reconciliation of Total Income Tax Expense to Income before Income Taxes

The following schedule reconciles total income tax provision and the amount calculated by applying the statutory U.S. federal tax rate to income before income taxes (in millions):



	Three Months Ended March 31,
	2019			2018
Expected income tax provision (benefit) based on federal statutory rate	$	(36.7	)	$	4.1
State income tax provision (benefit), net of federal benefit	(4.4		)	0.5
Income tax provision from ENLK	0.9			1.0
Unit-based compensation (1)	0.1			1.6
Non-deductible expense related to asset impairment	43.8			—
Other	(1.9		)	(0.2		)
Income tax provision	$	1.8		$	7.0

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(1)	Related to tax deficiencies recorded upon the vesting of restricted incentive units.

Schedule of Deferred Tax Assets and Liabilities

Our deferred income tax assets and liabilities as of March 31, 2019 and December 31, 2018 are as follows (in millions):



	March 31, 2019			December 31, 2018
Deferred income tax assets:
Federal net operating loss carryforward	$	77.4		$	67.9
State net operating loss carryforward	13.1			11.7
Total deferred tax assets	90.5			79.6
Deferred tax liabilities:
Property, equipment, and intangible assets (1)	(54.0		)	(440.6		)
Other	(0.3		)	(1.4		)
Total deferred tax liabilities	(54.3		)	(442.0		)
Deferred tax asset (liability), net	$	36.2		$	(362.4	)

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(1)	Includes our investment in ENLK and primarily relates to differences between the book and tax bases of property and equipment.