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Income Taxes (Tables)

12 Months Ended

Dec. 31, 2011

Income Taxes [Abstract]

Provisions benefits for income taxes

		2011				2010				2009
		(In Thousands)
Current:
Federal		$	33,006			$	13,723			$	2,456
State			4,514				3,754				1,337
Total Current		$	37,520			$	17,477			$	3,793
Deferred:
Federal		$	7,543			$	1,602			$	9,611
State			1,145				708				1,620
Total Deferred		$	8,688			$	2,310			$	11,231
Provisions for income taxes		$	46,208			$	19,787			$	15,024

Deferred tax assets and liabilities

		December 31,
		2011				2010
		(In Thousands)
Deferred tax assets
Allowance for doubtful accounts		$	872			$	723
Asset impairment			756				725
Inventory			1,724				2,214
Deferred compensation			4,096				3,996
Other accrued liabilities			5,474				4,929
Hedging			1,033				575
Net operating loss carryforwards			392				361
Other			1,069				1,210
Total deferred tax assets			15,416				14,733
Less valuation allowance on deferred tax assets			(344	)			(310	)
Net deferred tax assets		$	15,072			$	14,423
Deferred tax liabilities
Property, plant and equipment		$	28,766			$	19,886
Prepaid and other insurance reserves			2,504				1,852
Investment in unconsolidated affiliate			640				837
Other			713				713
Total deferred tax liabilities		$	32,623			$	23,288
Net deferred tax liabilities		$	(17,551	)		$	(8,865	)
Consolidated balance sheet classification:
Net current deferred tax assets		$	4,275			$	5,396
Net non-current deferred tax liabilities			(21,826	)			(14,261	)
Net deferred tax liabilities		$	(17,551	)		$	(8,865	)
Net deferred tax liabilities by tax jurisdiction:
Federal		$	(15,724	)		$	(8,202	)
State			(1,827	)			(663	)
Net deferred tax liabilities		$	(17,551	)		$	(8,865	)

Income from continuing operations before provision for income taxes

		2011				2010				2009
		(In Thousands)
Provisions for income taxes at federal statutory rate		$	45,567			$	17,326			$	12,906
State current and deferred income taxes			5,088				3,259				1,832
Domestic production activities deduction			(3,091	)			(1,371	)			(282	)
Effect of tax return to tax provision reconciliation			(958	)			(126	)			676
Other			(398	)			699				(108	)
Provisions for income taxes		$	46,208			$	19,787			$	15,024

Reconciliation of the beginning and ending amount of uncertain tax positions

		2011				2010				2009
		(In Thousands)
Balance at beginning of year		$	700			$	608			$	898
Additions based on tax positions related to the current year			217				131				48
Additions based on tax positions of prior years			—				—				82
Reductions for tax positions of prior years			(51	)			(35	)			(355	)
Settlements			(157	)			(4	)			(65	)
Balance at end of year		$	709			$	700			$	608

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Tabular disclosure of the components of income tax expense attributable to continuing operations for each year presented including, but not limited to: current tax expense (benefit), deferred tax expense (benefit), investment tax credits, government grants, the benefits of operating loss carryforwards, tax expense that results from allocating certain tax benefits either directly to contributed capital or to reduce goodwill or other noncurrent intangible assets of an acquired entity, adjustments of a deferred tax liability or asset for enacted changes in tax laws or rates or a change in the tax status of the entity, and adjustments of the beginning-of-the-year balances of a valuation allowance because of a change in circumstances that causes a change in judgment about the realizability of the related deferred tax asset in future years.

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Tabular disclosure of the components of net deferred tax asset or liability recognized in an entity's statement of financial position, including the following: the total of all deferred tax liabilities, the total of all deferred tax assets, the total valuation allowance recognized for deferred tax assets.

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Tabular disclosure of the reconciliation using percentage or dollar amounts of the reported amount of income tax expense attributable to continuing operations for the year to the amount of income tax expense that would result from applying domestic federal statutory tax rates to pretax income from continuing operations.

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Tabular disclosure of tax positions taken in the tax returns filed or to be filed for which it is more likely than not that the tax position will not be sustained upon examination by taxing authorities (i.e., uncertain tax positions) and other types of income tax contingencies, including: (1) the policy on classification of interest and penalties; (2) a tabular reconciliation of the total amounts of unrecognized tax benefits at the beginning and end of the period; the total amount(s) of: (3) unrecognized tax benefits that, if recognized, would affect the effective tax rate, and (4) interest and penalties recognized in each of the income statement and balance sheet; (5) for positions for which it is reasonably possible that the total amounts unrecognized will significantly change within 12 months of the reporting date the: (i) nature of the uncertainty, (ii) nature of the event that could occur that would cause the change, and (iii) an estimate of the range of the reasonably possible change or a statement that an estimate of the range cannot be made; and (6) a description of tax years that remain subject to examination by major tax jurisdictions.

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