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Income Taxes (Tables)
12 Months Ended
Dec. 31, 2014
Income Tax Disclosure [Abstract]  
Schedule of income tax expense (benefit)
Income tax expense (benefit) is comprised of the following:
 
Year Ended December 31,
 
2014
 
2013
 
2012
 
(in millions)
Current
 
 
 
 
 
Federal
$
76.1

 
$
265.8

 
$
237.3

State
16.6

 
21.5

 
25.4

Total current
92.7

 
287.3

 
262.7

Deferred
 
 
 
 
 
Federal
8.3

 
(93.5
)
 
(39.8
)
State
(3.3
)
 
(10.1
)
 
2.7

Total deferred
5.0

 
(103.6
)
 
(37.1
)
Total income tax expense
$
97.7

 
$
183.7

 
$
225.6

Schedule of reconciliation of total income tax expense (benefit) to income tax expense (benefit) computed by applying the statutory federal income tax rate (35%) to pre-tax income (loss)
The following is a reconciliation of total income tax expense (benefit) to income tax expense (benefit) computed by applying the statutory federal income tax rate (35%) to pretax income (loss):
 
Year Ended December 31,
 
2014
 
2013
 
2012
 
(in millions)
Tax computed at federal statutory rate
$
142.5

 
$
247.0

 
$
223.4

State income taxes, net of federal tax benefit
14.0

 
16.5

 
23.9

State tax incentives, net of federal tax expense
(5.4
)
 
(9.0
)
 
(5.4
)
Domestic production activities deduction
(5.5
)
 
(18.5
)
 
(16.5
)
Non-deductible share-based compensation
0.2

 
1.5

 
7.3

Non-deductible transaction costs

 

 
4.2

IRS interest expense, net

 

 
0.1

Noncontrolling interest
(47.4
)
 
(53.0
)
 
(11.9
)
Other, net
(0.7
)
 
(0.8
)
 
0.5

Total income tax expense
$
97.7

 
$
183.7

 
$
225.6

Schedule of income tax effect of temporary differences that give rise to significant portions of the deferred income tax assets and deferred income tax liabilities
The income tax effect of temporary differences that give rise to significant portions of the deferred income tax assets and deferred income tax liabilities at December 31, 2014 and 2013 are as follows:
 
Year Ended December 31,
 
2014
 
2013
 
(in millions)
Deferred income tax assets:
 
 
 
Personnel accruals
$
1.8

 
$
8.8

State tax credit carryforward, net of federal expense
12.6

 
19.6

Contingent liabilities
0.1

 
10.3

Other
2.1

 

Total gross deferred income tax assets
16.6

 
38.7

Deferred income tax liabilities:
 
 
 
Property, plant, and equipment
(2.7
)
 
(2.0
)
Investment in CVR Partners
(76.1
)
 
(87.6
)
Investment in CVR Refining
(569.4
)
 
(522.1
)
Prepaid expenses
(0.3
)
 
(0.4
)
Other
(0.1
)
 
(0.5
)
Total gross deferred income tax liabilities
(648.6
)
 
(612.6
)
Net deferred income tax liabilities
$
(632.0
)
 
$
(573.9
)
Schedule of reconciliation of the unrecognized tax benefits
A reconciliation of the unrecognized tax benefits for the years ended December 31, 2014, 2013 and 2012 is as follows:
 
Year Ended December 31,
 
2014
 
2013
 
2012
 
(in millions)
Balance beginning of year
$
45.2

 
$
36.9

 
$
17.7

Increase based on prior year tax positions
0.5

 

 
4.8

Decrease based on prior year tax positions

 
(6.4
)
 
(0.1
)
Increases in current year tax positions
9.8

 
14.7

 
14.7

Settlements

 

 

Reductions related to expirations of statute of limitations

 

 
(0.2
)
Balance end of year
$
55.5

 
$
45.2

 
$
36.9