Discontinued operations (Tables)

12 Months Ended

Dec. 31, 2017

Discontinued Operations and Disposal Groups [Abstract]

Disclosure of long lived assets held-for-sale

The carrying amounts of the major classes of assets classified as held for sale associated with Pronghorn on the Company's Consolidated Balance Sheets at December 31 were as follows:

	2016
	(In thousands)
Assets
Current assets:
Prepayments and other current assets	$	68
Total current assets held for sale	68
Noncurrent assets:
Net property, plant and equipment	93,424
Goodwill	9,737
Less allowance for impairment of assets held for sale	2,311
Total noncurrent assets held for sale	100,850
Total assets held for sale	$	100,918

Disposal groups, including discontinued operations

The carrying amounts of the major classes of assets and liabilities classified as held for sale, related to the operations of Fidelity, on the Company's Consolidated Balance Sheets at December 31 were as follows:

	2017		2016
	(In thousands)
Assets
Current assets:
Receivables, net	$	479	$	355
Total current assets held for sale	479		355
Noncurrent assets:
Net property, plant and equipment	1,631		5,507
Deferred income taxes	2,637		91,098
Other	161		161
Less allowance for impairment of assets held for sale	—		938
Total noncurrent assets held for sale	4,429		95,828
Total assets held for sale	$	4,908	$	96,183
Liabilities
Current liabilities:
Accounts payable	$	30	$	141
Taxes payable	10,857		19		(a)
Other accrued liabilities	2,884		2,358
Total current liabilities held for sale	13,771		2,518
Total liabilities held for sale	$	13,771	$	2,518

(a) On the Company's Consolidated Balance Sheets, this amount was reclassified to prepayments and other current assets and

is reflected in current assets held for sale.The carrying amounts of the major classes of assets and liabilities classified as held for sale, related to the operations of and activity associated with Dakota Prairie Refining, on the Company's Consolidated Balance Sheets at December 31 were as follows:

	2017			2016
	(In thousands)
Assets
Current assets:
Income taxes receivable	$	1,778		$	13,987
Total current assets held for sale	1,778			13,987
Total assets held for sale	$	1,778	(a)	$	13,987
Liabilities
Current liabilities:
Accounts payable	$	—		$	7,425
Total current liabilities held for sale	—			7,425
Noncurrent liabilities:
Deferred income taxes (b)	37			14
Total noncurrent liabilities held for sale	37			14
Total liabilities held for sale	$	37		$	7,439

(a) On the Company's Consolidated Balance Sheets, these amounts were reclassified to current income taxes payable and are reflected in current liabilities held for sale.

(b) On the Company's Consolidated Balance Sheets, these amounts were reclassified to noncurrent deferred income tax assets

and are reflected in noncurrent assets held for sale.

Reconciliation of major classes of income and expense

The reconciliation of the major classes of income and expense constituting pretax income (loss) from discontinued operations, which includes Dakota Prairie Refining and Fidelity, to the after-tax loss from discontinued operations on the Company's Consolidated Statements of Income for the years ended December 31 were as follows:

	2017			2016			2015
	(In thousands)
Operating revenues	$	465		$	123,024		$	363,115
Operating expenses	(4,607		)	513,813			1,666,941
Operating income (loss)	5,072			(390,789		)	(1,303,826		)
Other income (expense)	(13		)	306			3,149
Interest expense	250			1,753			2,124
Income (loss) from discontinued operations before income taxes	4,809			(392,236		)	(1,302,801		)
Income taxes*	8,592			(91,882		)	(468,721		)
Loss from discontinued operations	(3,783		)	(300,354		)	(834,080		)
Loss from discontinued operations attributable to noncontrolling interest	—			(131,691		)	(35,256		)
Loss from discontinued operations attributable to the Company	$	(3,783	)	$	(168,663	)	$	(798,824	)

*

Includes eliminations for the presentation of income tax adjustments between continuing and discontinued operations.