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Income Taxes (Tables)
12 Months Ended
Dec. 31, 2013
Income Tax Disclosure [Abstract]  
Schedule of income tax expense (benefit)
Income tax expense (benefit) is comprised of the following:
 
Year Ended December 31,
 
2013
 
2012
 
2011
 
(in millions)
Current
 
 
 
 
 
Federal
$
265.8

 
$
237.3

 
$
141.3

State
21.5

 
25.4

 
8.0

Total current
287.3

 
262.7

 
149.3

Deferred
 
 
 
 
 
Federal
(93.5
)
 
(39.8
)
 
40.3

State
(10.1
)
 
2.7

 
19.9

Total deferred
(103.6
)
 
(37.1
)
 
60.2

Total income tax expense
$
183.7

 
$
225.6

 
$
209.5

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,
 
2013
 
2012
 
2011
 
(in millions)
Tax computed at federal statutory rate
$
247.0

 
$
223.4

 
$
205.8

State income taxes, net of federal tax benefit
16.5

 
23.9

 
20.6

State tax incentives, net of federal tax expense
(9.0
)
 
(5.4
)
 
(3.2
)
Domestic production activities deduction
(18.5
)
 
(16.5
)
 
(10.6
)
Non-deductible share-based compensation
1.5

 
7.3

 
2.0

Non-deductible transaction costs

 
4.2

 

IRS interest expense, net

 
0.1

 
0.1

Noncontrolling interest
(53.0
)
 
(11.9
)
 
(11.5
)
Partnership basis adjustment

 

 
4.2

Other, net
(0.8
)
 
0.5

 
2.1

Total income tax expense
$
183.7

 
$
225.6

 
$
209.5

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, 2013 and 2012 are as follows:
 
Year Ended December 31,
 
2013
 
2012
 
(in millions)
Deferred income tax assets:
 
 
 
Allowance for doubtful accounts
$

 
$
0.8

Personnel accruals
8.8

 
12.9

Inventories

 
3.6

Unrealized derivative losses, net

 
26.2

Accrued expenses

 
2.1

State tax credit carryforward, net of federal expense
19.6

 
14.4

Contingent liabilities
10.3

 
10.8

Other

 
2.1

Total gross deferred income tax assets
38.7

 
72.9

Deferred income tax liabilities:
 
 
 
Property, plant, and equipment
(2.0
)
 
(282.2
)
Investment in CVR Partners
(87.6
)
 
(109.7
)
Investment in CVR Refining
(522.1
)
 

Deferred financing

 
(1.1
)
Prepaid expenses
(0.4
)
 
(9.4
)
Other
(0.5
)
 

Total gross deferred income tax liabilities
(612.6
)
 
(402.4
)
Net deferred income tax liabilities
$
(573.9
)
 
$
(329.5
)
Schedule of reconciliation of the unrecognized tax benefits
A reconciliation of the unrecognized tax benefits for the years ended December 31, 2013, 2012 and 2011 is as follows:
 
Year Ended December 31,
 
2013
 
2012
 
2011
 
(in millions)
Balance beginning of year
$
36.9

 
$
17.7

 
$
0.2

Increase based on prior year tax positions

 
4.8

 

Decrease based on prior year tax positions
(6.4
)
 
(0.1
)
 

Increases in current year tax positions
14.7

 
14.7

 
17.5

Settlements

 

 

Reductions related to expirations of statute of limitations

 
(0.2
)
 

Balance end of year
$
45.2

 
$
36.9

 
$
17.7