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Income Taxes (Tables)
12 Months Ended
Dec. 31, 2016
Income Tax Disclosure [Abstract]  
Schedule of income tax expense (benefit)
Income tax expense (benefit) is comprised of the following:
 
Year Ended December 31,
 
2016
 
2015
 
2014
 
(in millions)
Current
 
 
 
 
 
Federal
$
67.2

 
$
74.9

 
$
76.1

State
(7.0
)
 
14.5

 
16.6

Total current
60.2

 
89.4

 
92.7

Deferred
 
 
 
 
 
Federal
(61.0
)
 
2.7

 
8.3

State
(19.0
)
 
(7.6
)
 
(3.3
)
Total deferred
(80.0
)
 
(4.9
)
 
5.0

Total income tax expense (benefit)
$
(19.8
)
 
$
84.5

 
$
97.7

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,
 
2016
 
2015
 
2014
 
(in millions)
Tax computed at federal statutory rate
$
(3.8
)
 
$
133.8

 
$
142.5

State income taxes, net of federal tax benefit
(8.0
)
 
11.7

 
14.0

State tax incentives, net of federal tax expense
(8.8
)
 
(7.2
)
 
(5.4
)
Domestic production activities deduction
(4.3
)
 
(5.9
)
 
(5.5
)
Non-deductible share-based compensation

 

 
0.2

Noncontrolling interest
5.5

 
(44.9
)
 
(47.4
)
Other, net
(0.4
)
 
(3.0
)
 
(0.7
)
Total income tax expense (benefit)
$
(19.8
)
 
$
84.5

 
$
97.7

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
As of December 31, 2016, CVR has Kansas state income tax credits of approximately $1.4 million, which are available to reduce future Kansas state income taxes. These credits, if not used, will expire in 2032. Additionally, CVR has Oklahoma state income tax credits of approximately $25.7 million which are available to reduce future Oklahoma state income taxes. These credits have an indefinite life.

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, 2016 and 2015 are as follows:
 
Year Ended December 31,
 
2016
 
2015
 
(in millions)
Deferred income tax assets:
 
 
 
Personnel accruals
$
1.3

 
$
1.5

State tax credit carryforward, net
10.5

 
11.0

Contingent liabilities

 
0.1

Other
0.1

 

Total gross deferred income tax assets
11.9

 
12.6

Deferred income tax liabilities:
 
 
 
Property, plant, and equipment
(3.8
)
 
(3.1
)
Investment in CVR Partners
(89.2
)
 
(83.4
)
Investment in CVR Refining
(497.8
)
 
(565.3
)
Prepaid expenses
(0.3
)
 
(0.3
)
Other
(0.7
)
 
(0.2
)
Total gross deferred income tax liabilities
(591.8
)
 
(652.3
)
Net deferred income tax liabilities
$
(579.9
)
 
$
(639.7
)
Schedule of reconciliation of the unrecognized tax benefits
A reconciliation of the unrecognized tax benefits for the years ended December 31, 2016, 2015 and 2014 is as follows:
 
Year Ended December 31,
 
2016
 
2015
 
2014
 
(in millions)
Balance beginning of year
$
49.0

 
$
55.5

 
$
45.2

Increase based on prior year tax positions

 

 
0.5

Decrease based on prior year tax positions

 

 

Increases in current year tax positions

 
9.8

 
9.8

Settlements

 

 

Reductions related to expirations of statute of limitations
(4.9
)
 
(16.3
)
 

Balance end of year
$
44.1

 
$
49.0

 
$
55.5