Income Taxes (Tables)

12 Months Ended

Dec. 31, 2012

Income Taxes [Abstract]

Components of income tax expense

Income tax expense is comprised of the following:

(In thousands)	Year Ended December 31,
	2012			2011			2010
Current taxes
Federal	$	(1,271	)	$	9,388		$	8,614
State		774			2,109			2,719
Foreign		1,754			1,707			196
Deferred taxes
Federal		4,803			2,169			16,148
State		413			438			1,964
Foreign		249			(425	)		804
Total	$	6,722		$	15,386		$	30,445

Significant components of net deferred tax liability

Deferred income taxes reflect the net tax effects of temporary differences between the carrying amounts of assets and liabilities for financial reporting purposes and the amounts used for income tax purposes.  The following table sets forth the significant components of our net deferred tax liability as of December 31, 2012 and 2011:

(In thousands)	December 31,			December 31,
	2012			2011
Deferred tax asset:
Accruals and reserves	$	10,910		$	10,068
Deferred compensation		6,597			9,754
Share-based payments		12,213			15,418
Net operating loss carryforwards		7,914			7,351
Other assets and liabilities		1,533			1,991
		39,167			44,582
Valuation allowance		(3,242	)		(2,957	)
	$	35,925		$	41,625
Deferred tax liability:
Property and equipment	$	(47,317	)	$	(39,447	)
Intangible assets		(15,700	)		(17,998	)
Other assets and liabilities		(122	)		(830	)
		(63,139	)		(58,275	)
Net deferred tax liability	$	(27,214	)	$	(16,650	)
Net current deferred tax asset	$	8,839		$	10,314
Net long-term deferred tax liability		(36,053	)		(26,964	)
	$	(27,214	)	$	(16,650	)

Difference between income tax expense computed using statutory federal income tax rate and effective rate

The difference between income tax expense computed using the statutory federal income tax rate and the effective rate is as follows:

(In thousands)	Year Ended December 31,
	2012		2011			2010
Statutory federal income tax	$	5,161	$	(49,808	)	$	27,221
Non-deductible goodwill impairment expense		—		61,785			—
State income taxes, less federal income tax benefit		453		1,520			3,318
Permanent items		389		434			(477	)
Change in valuation allowance		285		972			337
Prior year tax adjustments		263		150			(55	)
Other		171		333			101
Income tax expense	$	6,722	$	15,386		$	30,445

Changes in unrecognized tax benefits

The aggregate changes in the balance of unrecognized tax benefits, exclusive of interest, were as follows:

(In thousands)
Unrecognized tax benefits at December 31, 2009 and December 31, 2010	$	1,072
Increases based upon tax positions related to prior years		320
Unrecognized tax benefits at December 31, 2011	$	1,392
Decreases based upon tax positions related to prior years		(44	)
Unrecognized tax benefits at December 31, 2012	$	1,348