Income Taxes Income Taxes (Tables)

12 Months Ended

Dec. 31, 2013

Schedule of Components of Income Tax Expense (Benefit)

Components of income tax from continuing operations are as follows (in millions):



	Years Ended December 31,
	2014		2013		2012
Current income tax expense
Current tax expense	$	9.0	$	31.5	$	59.1
Deferred tax expense	67.4		35.5		(12.9		)
Total income tax expense	$	76.4	$	67.0	$	46.2

The following schedule reconciles total income tax expense and the amount computed by applying the statutory U.S. federal tax rate to income from continuing operations before income taxes (in millions):



	Years Ended December 31,
	2014		2013		2012
Expected income tax expense based on federal statutory rate of 35%	$	70.7	$	65.1	$	44.6
State income taxes, net of federal benefit and other	5.7		1.9		1.6
Total income tax expense	$	76.4	$	67.0	$	46.2

Schedule of Deferred Tax Assets and Liabilities

The tax effects of temporary differences that gave rise to significant portions of the Predecessor’s deferred tax assets and liabilities are presented below (in millions):



	Years Ended December 31,
	2014			2013
Deferred income tax assets:
Asset retirement obligations	$	2.0		$	2.8
State net operating loss carryforward, non current	4.2			—
Federal net operating loss carryforward, current	16.9			0.4
Total deferred tax assets	23.1			3.2
Deferred tax liabilities:
Property, plant, equipment, and intangible assets, non current	(523.5		)	(444.1		)
Other	(9.3		)	—
Total deferred tax liabilities	(532.8		)	(444.1		)
Deferred tax liability, net	$	(509.7	)	$	(440.9	)

Schedule of Unrecognized Tax Benefits Roll Forward

A reconciliation of the beginning and ending amount of the unrecognized tax benefits is as follows (in millions):



Balance as of December 31, 2013	$	—
Unrecognized tax positions assumed in merger	3.8
Decrease due to prior year tax positions	(2.0		)
Increases due to current year tax positions	0.2
Balance as of December 31, 2014	$	2.0