Discontinued Operations (Tables)

6 Months Ended

Jun. 30, 2016

Discontinued Operations [Abstract]

Results of Operations Associated with Discontinued Operations

	Three Months			Six Months
	Ended June 30,			Ended June 30,
(Thousands of dollars)		2016	2015	2016	2015
Revenues	$	151	153,107	835	382,496
Income before income taxes	$	25	21,046	708	337
Income tax benefit		–	5,894	–	3,156
Income (loss) from discontinued operations	$	25	15,152	708	(2,819)

Major Categories of Assets and Liabilities Reflected as Held for Sale

	June 30,		December 31,
(Thousands of dollars)	2016		2015
Current assets
Cash	$	3,007	7,927
Accounts receivable		12,403	12,037
Other		16,703	18,376
Total current assets held for sale	$	32,113	38,340
Current liabilities
Accounts payable	$	488	2,433
Accrued compensation and severance		–	2,179
Refinery decommissioning cost		3,647	2,685
Total current liabilities associated with assets held for sale	$	4,135	7,297