Income Taxes (Tables)

12 Months Ended

Dec. 31, 2012

Reconciliation Of Income Tax Expense (Benefit)

A reconciliation of income tax expense, computed by applying the federal statutory rate to pre-tax income to our effective income tax expense is as follows:



	2012		2011		2010
	(In thousands)
Income tax expense computed by applying the statutory rate	$	13,791	$	111,651	$	83,027
State income tax, net of federal benefit	1,084		8,941		6,030
Statutory depletion and other	1,351		2,543		1,680
Income tax expense	$	16,226	$	123,135	$	90,737

Schedule Of Total Provision For Income Taxes

For the periods indicated, the total provision for income taxes consisted of the following:



	2012			2011			2010
	(In thousands)
Current taxes:
Federal	$	2,084		$	(3,159	)	$	(6,856	)
State	(1,388		)	743			(3,079		)
	696			(2,416		)	(9,935		)
Deferred taxes:
Federal	13,768			109,363			88,021
State	1,762			16,188			12,651
	15,530			125,551			100,672
Total provision	$	16,226		$	123,135		$	90,737

Schedule Of Deferred Tax Assets And Liabilities

Deferred tax assets and liabilities are comprised of the following at December 31:



	2012			2011
	(In thousands)
Deferred tax assets:
Allowance for losses and nondeductible accruals	$	74,890		$	53,376
Net operating loss carryforward	56,020			47,683
Alternative minimum tax credit carryforward	1,972			—
	132,882			101,059
Deferred tax liability:
Depreciation, depletion, amortization and impairment	(819,893		)	(773,246		)
Net deferred tax liability	(687,011		)	(672,187		)
Current deferred tax asset	8,765			10,936
Non-current—deferred tax liability	$	(695,776	)	$	(683,123	)