Discontinued Operations (Tables)

9 Months Ended

Sep. 30, 2015

Discontinued Operations [Abstract]

Results of Operations Associated with Discontinued Operations

	Three Months			Nine Months
	Ended September 30,			Ended September 30,
(Thousands of dollars)		2015	2014	2015	2014
Revenues	$	(1,342)	509,037	381,154	2,752,557
Loss before income taxes	$	(8,366)	(27,163)	(8,029)	(61,396)
Income tax (benefit) expense		(22)	(1,813)	3,134	(8,757)
Loss from discontinued operations	$	(8,344)	(25,350)	(11,163)	(52,639)

Major Categories of Assets and Liabilities Reflected as Held for Sale

	September 30,		December 31,
(Thousands of dollars)	2015		2014
Current assets
Cash	$	20,738	200,512
Accounts receivable		12,067	97,568
Inventories		313	42,161
Other		19,298	35,889
Total current assets held for sale	$	52,416	376,130
Non-current assets
Property, plant and equipment, net	$	–	50,947
Other		–	13
Total non-current assets held for sale	$	–	50,960
Current liabilities
Accounts payable	$	2,895	59,023
Other accrued taxes payable		428	40,653
Accrued compensation and severance		3,715	30,872
Refinery decommissioning cost		3,021	21,000
Total current liabilities associated with assets held for sale	$	10,059	151,548
Non-current liabilities
Deferred income taxes payable	$	–	3,873
Deferred credits and other liabilities		–	4,437
Total non-current liabilities associated with assets held for sale	$	–	8,310