Income Taxes (Tables)

12 Months Ended

Dec. 31, 2015

Income Tax Disclosure [Abstract]

Schedule of Deferred Tax Assets and Liabilities [Table Text Block]

Significant components of Delek's deferred tax assets and liabilities reported in the accompanying consolidated financial statements as of December 31, 2015 and 2014 were as follows (in millions):

	December 31,
	2015			2014
Current Deferred Taxes:
Reserves and accruals	—			9.7
Inventories	—			22.2
Derivatives and hedging	—			(11.6		)
Valuation allowance	—			(0.1		)
Total current deferred tax assets	—			20.2
Non-Current Deferred Taxes:
Property, plant and equipment, and intangibles	(288.6		)	(251.6		)
Partnership and equity investments	(7.6		)	(16.3		)
Deferred revenues	(12.6		)	(13.8		)
Derivatives and hedging	19.9			—
Compensation and employee benefits	9.4			7.1
Net operating loss carryforwards	6.7			6.2
Reserves and accruals	11.4			4.9
Inventories	19.2			—
Valuation allowance	(5.7		)	(2.8		)
Total non-current deferred tax liabilities	(247.9		)	(266.3		)
Total net deferred tax liabilities	$	(247.9	)	$	(246.1	)

Schedule of Effective Income Tax Rate Reconciliation [Table Text Block]

The difference between the actual income tax expense and the tax expense computed by applying the statutory federal income tax rate to income from continuing operations was attributable to the following (in millions):

	Year Ended December 31,
	2015			2014			2013
Provision for federal income taxes at statutory rate	$	9.5		$	114.7		$	72.3
State income taxes, net of federal tax provision	1.7			6.7			2.6
Non-controlling interest	(8.4		)	(9.6		)	(6.4		)
Tax credits and incentives	(13.3		)	(4.3		)	(0.2		)
Dividends received deduction	(4.2		)	—			—
Executive compensation limitation	1.0			0.4			2.9
Amortization - prepaid taxes	(4.1		)	(1.5		)	—
Other items	1.2			(4.8		)	(0.3		)
Income tax (benefit) expense	$	(16.6	)	$	101.6		$	70.9

Schedule of Components of Income Tax Expense (Benefit) [Table Text Block]

Income tax expense from continuing operations was as follows (in millions):

	Year Ended December 31,
	2015			2014		2013
Current	$	(34.8	)	$	64.2	$	32.0
Deferred	18.2			37.4		38.9
	$	(16.6	)	$	101.6	$	70.9

Schedule of Unrecognized Tax Benefits Roll Forward [Table Text Block]

Increases and decreases to the beginning balance of unrecognized tax benefits during the year ended December 31, 2015 and 2014 were as follows:

	2015			2014			2013
Balance at the beginning of the year	$	2.7		$	0.3		$	0.6
Additions for tax positions related to prior years	—			2.6			—
Reductions for tax positions related to prior years	(2.4		)	—			—
Reductions for tax positions related to the lapse of applicable statute of limitations	(0.1		)	(0.2		)	(0.3		)
Balance at the end of the year	$	0.2		$	2.7		$	0.3