Discontinued Operations (Tables)

6 Months Ended

Jun. 30, 2015

Discontinued Operations [Abstract]

Results of Operations Associated with Discontinued Operations

	Three Months Ended			Six Months Ended
	June 30,			June 30,
(Thousands of dollars)		2015	2014	2015	2014
Revenues	$	153,107	811,134	382,496	2,243,520
Income (loss) before income taxes	$	21,046	(16,938)	337	(34,233)
Income tax expense (benefit)		5,894	(3,682)	3,156	(6,944)
Income (loss) from discontinued operations	$	15,152	(13,256)	(2,819)	(27,289)

Major Categories of Assets and Liabilities Reflected as Held for Sale

	June 30,		December 31,
(Thousands of dollars)	2015		2014
Current assets
Cash	$	111,286	200,512
Accounts receivable		146,651	97,568
Inventories		325	42,161
Other		21,537	35,889
Total current assets held for sale	$	279,799	376,130
Non-current assets
Property, plant and equipment, net	$	–	50,947
Other		14	13
Total non-current assets held for sale	$	14	50,960
Current liabilities
Accounts payable	$	7,897	59,023
Other accrued taxes payable		31,519	40,653
Accrued compensation and severance		16,320	30,872
Refinery decommissioning cost		598	21,000
Total current liabilities associated with assets held for sale	$	56,334	151,548
Non-current liabilities
Deferred income taxes payable	$	–	3,873
Deferred credits and other liabilities		551	4,437
Total non-current liabilities associated with assets held for sale	$	551	8,310