Discontinued Operations (Tables)

3 Months Ended

12 Months Ended

Mar. 31, 2014

Dec. 31, 2013

Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]

Summary Of Results Of Operations Of Discontinued Operations

(Thousands of dollars)	Three Months Ended March 31, 2013
Revenues	$	97,822
Income (loss) from operations before income taxes		2,299
Gain on sale before income taxes		-
Total income (loss) from discontinued operations before taxes		2,299
Provision for income taxes		806
Income (loss) from discontinued operations	$	1,493

Summary Of Major Assets And Liabilities Of Discontinued Operations

(Thousands of dollars)	December 18, 2013
Current assets:
Accounts receivable	$	3,563
Raw materials inventories		6,692
Finished inventories		2,956
Material and supplies inventories		2,371
Total current assets	$	15,582
Noncurrent assets:
Property, plant and equipment, net	$	80,705
Total assets	$	96,287
Liabilities:
Current liabilities	$	5,051
Long-term notes payable		1,077
Liabilities associated with assets sold	$	6,128

Superior, Wisconsin And Meraux, Louisiana Refineries [Member]

Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]

Summary Of Results Of Operations Of Discontinued Operations

(Thousands of dollars)	2011
Revenues	$	3,700,789
Income from operations before income taxes		188,531
Gain on sale before income taxes		9,904
Total income from discontinued operations before taxes		198,435
Provision for income taxes		79,688
Income from discontinued operations	$	118,747

Hankinson Renewable Energy, LLC [Member]

Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]

Summary Of Results Of Operations Of Discontinued Operations

(Thousands of dollars)	2013		2012		2011
Revenues	$	366,707	$	354,128	$	354,239
Income (loss) from operations before income taxes		40,130		(4,377)		26,744
Gain on sale before income taxes		80,834		-		-
Total income (loss) from discontinued operations before taxes		120,964		(4,377)		26,744
Provision for income taxes		42,257		(1,531)		9,324
Income (loss) from discontinued operations	$	78,707	$	(2,846)	$	17,420