Income Taxes (Tables)

12 Months Ended

Dec. 31, 2011

Income Taxes [Abstract]

Schedule Of Deferred Tax Assets And Liabilities

	2011			2010
	(In thousands)
Deferred tax assets:
Allowance for doubtful accounts	$	10,907		$	10,876
Accruals		10,811			11,682
Deferred revenue		4,845			4,822
Stock-based compensation		20,286			19,923
Other		15,505			12,944
		62,354			60,247
Less: Valuation allowance		(132	)		(178	)
Total deferred tax assets		62,222			60,069
Deferred tax liabilities:
Tax over book intangible asset amortization		(290,274	)		(260,783	)
Tax over book depreciation		(106,639	)		(80,437	)
Convertible debt interest		(72,185	)		(64,156	)
Other		(5,842	)		(4,428	)
Total deferred tax liabilities		(474,940	)		(409,804	)
Net deferred tax liabilities	$	(412,718	)	$	(349,735	)

Summary Of Operating Loss Carryforwards

	(In thousands)
2012 – 2019	$	258
2021 – 2027		228
2023 – 2032		3,653
	$	4,139

Schedule Of Income Tax Expense Attributable To Operations

	Year Ended December 31,
	2011			2010			2009
	(In thousands)
Current:
Federal	$	44,994		$	58,853		$	44,923
State		5,091			6,617			4,623
Foreign		14			0			0
Total current		50,099			65,470			49,546
Deferred:
Federal		56,772			46,190			35,046
State		6,211			5,259			2,699
Foreign		0			0			0
Total deferred		62,983			51,449			37,745
Total income tax expense	$	113,082		$	116,919		$	87,291
Total income tax expense allocation:
Income from operations	$	113,082		$	116,919		$	87,291
Stockholders' equity, for compensation expense for tax purposes in excess of amounts recognized for financial reporting purposes		(415	)		(1,419	)		(4,448	)
	$	112,667		$	115,500		$	82,843

Reconciliation Of Effective Tax Rate

	Year Ended December 31,
	2011			2010			2009
	(In thousands)
Computed "expected" tax expense	$	101,620		$	104,473		$	78,185
State income taxes, net of federal income tax benefit		8,019			8,151			4,760
Permanent differences		5,593			5,183			6,180
Foreign		14			0			0
Other		(2,164	)		(888	)		(1,834	)
Total income tax expense	$	113,082		$	116,919		$	87,291

Schedule Of Reconciliation Of Unrecognized Tax Benefits

	2011			2010
	(In thousands)
Total gross unrecognized tax benefits at beginning of year	$	3,328		$	4,116
Additions for tax positions related to the current year		392			201
Additions for tax positions related to prior years		104			535
Reductions for tax positions related to prior years		(38	)		(574	)
Settlements		(279	)		(415	)
Reductions due to lapse in statute of limitations		(564	)		(535	)
Total gross unrecognized tax benefits at end of year	$	2,943		$	3,328