Income Taxes (Tables)

12 Months Ended

Dec. 31, 2014

Income Tax Disclosure [Abstract]

Schedule of Income Tax Expense (Benefit)

The following table presents the 2014, 2013 and 2012 income tax expense (benefit):

	Year Ended December 31
	2014(1)			2013(2)			2012(3)
	(In thousands)
Current income taxes:
Federal	$	(94,983	)	$	(52,601	)	$	77,909
State	1,255			(9,477		)	18,400
Foreign	723			6			538
Total current income tax expense (benefit)	(93,005		)	(62,072		)	96,847
Deferred income taxes:
Federal	54,015			15,051			(631		)
State	6,894			4,696			(8,271		)
Total deferred income tax expense (benefit)	60,909			19,747			(8,902		)
Total income tax expense (benefit)	$	(32,096	)	$	(42,325	)	$	87,945

(1) Excludes $0.9 million of income tax expense related to discontinued operations.

(2) Excludes $431.0 million of income tax expense related to discontinued operations.

(3) Excludes $80.4 million of income tax expense related to discontinued operations.

Reconciliation of Income Taxes

The following is a reconciliation of income tax expense (benefit) computed at the U.S. federal statutory tax rate to income tax expense (benefit) reported in our Consolidated Statements of Operations:

	Year Ended December 31
	2014					2013					2012
	Amount			Percentage		Amount			Percentage		Amount		Percentage
	(In thousands, except percentages)
Tax expense at statutory rate	$	(18,299	)	35.0	%	$	99,062		35.0	%	$	39,116	35.0	%
State income taxes	2,281			(4.4	)	(2,894		)	(1.0	)	6,218		5.6
Tax-free disposition of investment	—			—		(145,524		)	(51.4	)	—		—
Uncertain tax positions	(15,451		)	29.6		6,106			2.2		—		—
Sale of unconsolidated affiliate	—			—		(545		)	(0.2	)	40,411		36.2
Change in valuation allowances	3,016			(5.8	)	(213		)	(0.1	)	366		0.3
Other	(3,643		)	7.0		1,683			0.6		1,834		1.6
Total	$	(32,096	)	61.4	%	$	(42,325	)	(14.9	)%	$	87,945	78.7	%

Deferred Income Tax Assets (Liabilities)

The tax effects of temporary differences giving rise to deferred income tax assets (liabilities) were:

	December 31
	2014(1)			2013(2)
	(In thousands)
Deferred income tax assets:
Accrued liabilities	$	105,029		$	121,539
Retirement plans and postretirement benefits	38,004			24,312
Share-based compensation	16,261			20,468
Receivables and inventories	11,155			10,275
Derivative financial instruments	1,646			283
State net operating loss carryforwards	35,089			31,824
State tax credit carryforwards	4,748			3,007
Valuation allowances	(13,177		)	(8,733		)
	198,755			202,975
Deferred income tax liabilities:
Property, plant and equipment	(209,168		)	(199,004		)
Intangible assets	(29,612		)	(8,751		)
Cancellation of debt	(11,299		)	—
Other	(843		)	(145		)
	(250,922		)	(207,900		)
Net deferred income tax asset (liability)	$	(52,167	)	$	(4,925	)

(1) Includes $8.0 million of deferred tax assets related to uncertain tax positions.

(2) Includes $7.5 million of deferred tax assets related to uncertain tax positions.

Balance Sheet Classification of Net Deferred Income Tax Assets (Liabilities)

These net deferred income tax assets (liabilities) are classified in our Consolidated Balance Sheets as follows:

	December 31
	2014			2013
	(In thousands)
Current assets	$	50,362		$	60,143
Noncurrent assets	35,415			35,623
Noncurrent liabilities	(137,944		)	(100,691		)
Total	$	(52,167	)	$	(4,925	)

Reconciliation of Gross Unrecognized Tax Benefits

The following is a reconciliation of gross unrecognized tax benefits, including interest, recorded in our Consolidated Balance Sheets:

	December 31
	2014			2013			2012
	(In thousands)
Balance at beginning of year	$	40,478		$	27,734		$	29,128
Increases in tax positions for current year	—			18,230			230
Increases in tax positions for prior years	11,432			2,315			5,075
Decreases in tax positions for prior years	(21,194		)	(6,192		)	(3,697		)
Settlement of tax matters	(4,203		)	(1,232		)	(2,127		)
Lapse of applicable statutes of limitations	(50		)	(377		)	(875		)
Balance at end of year	$	26,463		$	40,478		$	27,734

Balance Sheet Classification of Unrecognized Tax Benefits

These unrecognized tax benefits are classified in our Consolidated Balance Sheets as follows:

	December 31
	2014		2013		2012
	(In thousands)
Accrued expenses	$	295	$	3,348	$	1,427
Other long-term liabilities	26,168		37,130		26,307
Total	$	26,463	$	40,478	$	27,734