Income Taxes (Tables)

12 Months Ended

Dec. 31, 2014

Income Tax Disclosure [Abstract]

Provisions for Income Taxes

Provisions for income taxes are as follows:

	2014			2013			2012
	(In Thousands)
Current:
Federal	$	(1,452	)	$	(1,225	)	$	28,654
State		1,013			1,357			4,695
Total Current	$	(439	)	$	132		$	33,349
Deferred:
Federal	$	12,278		$	32,197		$	559
State		561			3,092			(314	)
Total Deferred	$	12,839		$	35,289		$	245
Provisions for income taxes	$	12,400		$	35,421		$	33,594

Schedule of Deferred Tax Assets and Liabilities

Deferred tax assets and liabilities include temporary differences and carryforwards as follows:

	December 31,
	2014			2013
	(In Thousands)
Deferred tax assets
Allowance for doubtful accounts	$	823		$	755
Asset impairment		226			782
Inventory		2,447			2,168
Deferred compensation		3,914			3,977
Other accrued liabilities		7,195			6,429
Hedging		1,218			467
Net operating loss carryforwards		13,874			12,046
Other		3,700			3,823
Total deferred tax assets		33,397			30,447
Less valuation allowance on deferred tax assets		(292	)		(298	)
Net deferred tax assets	$	33,105		$	30,149
Deferred tax liabilities
Property, plant and equipment	$	92,962		$	77,126
Prepaid and other insurance reserves		5,452			5,182
Investment in unconsolidated affiliate		64			239
Other		551			687
Total deferred tax liabilities	$	99,029		$	83,234
Net deferred tax liabilities	$	(65,924	)	$	(53,085	)
Consolidated balance sheet classification:
Net current deferred tax assets	$	17,204		$	13,613
Net noncurrent deferred tax liabilities		(83,128	)		(66,698	)
Net deferred tax liabilities	$	(65,924	)	$	(53,085	)
Net deferred tax liabilities by tax jurisdiction:
Federal	$	(60,696	)	$	(48,503	)
State		(5,228	)		(4,582	)
Net deferred tax liabilities	$	(65,924	)	$	(53,085	)

Income from Continuing Operations Before Provision for Income Taxes

All of our income before taxes relates to domestic operations. Detailed below are the differences between the amount of the provision for income taxes and the amount which would result from the application of the federal statutory rate to “Income from continuing operations before provision for income taxes”.

	2014			2013			2012
	(In Thousands)
Provisions for income taxes at federal statutory rate	$	11,263		$	31,697		$	32,391
State current and deferred income taxes		1,497			3,916			3,533
Domestic production activities deduction		—			—			(1,933	)
Effect of tax return to tax provision reconciliation		(110	)		(318	)		(216	)
Other		(250	)		126			(181	)
Provisions for income taxes	$	12,400		$	35,421		$	33,594

Reconciliation of Beginning and Ending Amount of Uncertain Tax Positions

A reconciliation of the beginning and ending amount of uncertain tax positions is as follows:

	2014			2013			2012
	(In Thousands)
Balance at beginning of year	$	2,409		$	2,292		$	709
Additions based on tax positions related to the current year		45			97			131
Additions based on tax positions of prior years		367			255			1,937
Reductions for tax positions of prior years		(1,411	)		(123	)		(485	)
Settlements		(753	)		(112	)		—
Balance at end of year	$	657		$	2,409		$	2,292