Income Taxes (Tables)

12 Months Ended

Dec. 31, 2020

Income Taxes [Abstract]

Income From Continuing Operations Before Income Taxes

Income before income taxes is categorized geographically as follows:

	Year Ended December 31,
	2020		2019		2018
	(In thousands)
United States	$	457,830	$	452,793	$	420,597
Foreign	292,414		305,983		308,919
Total income before income taxes	$	750,244	$	758,776	$	729,516

Components Of Provision For Income Taxes

The provision for income taxes consisted of the following:

	Year Ended December 31,
	2020		2019		2018
	(In thousands)
Current (benefit) expense:
Federal	$	(123,933)	$	74,283	$	99,127
State	10,522		2,069		1,088
Foreign, including withholding tax	29,152		31,385		76,199
	(84,259)		107,737		176,414
Deferred expense (benefit):
Federal	4,348		30,462		(16,448)
State	17,388		22,899		42,624
Foreign	(2,121)		(14,621)		(55,563)
	19,615		38,740		(29,387)
Total income tax (benefit) expense	$	(64,644)	$	146,477	$	147,027

Reconciliation Of Income Tax At Effective Income Tax Rate

The difference between income tax (benefit) expense and the amount resulting from applying the federal statutory rate of 21% to Income before income taxes is attributable to the following:

	Year Ended December 31,
	2020		2019		2018
	(In thousands)
Income tax expense at federal statutory rate	$	157,551	$	159,343	$	153,199
State taxes, net of federal benefit	23,167		20,573		35,852
Effect of non-U.S. operations	(27,691)		(25,178)		(26,271)
Stock-based compensation	(8,643)		(9,204)		(7,032)
Capital loss carryforwards expiration	—		—		769,706
Change in valuation allowance	(987)		(3,555)		(773,737)
Accrual for uncertain tax positions	(204,673)		7,365		2,637
Other	(3,368)		(2,867)		(7,327)
Total income tax (benefit) expense	$	(64,644)	$	146,477	$	147,027

Summary Of Deferred Tax Assets And Liabilities

The tax effects of temporary differences that give rise to significant portions of the Company’s deferred tax assets and liabilities are as follows:

	As of December 31,
	2020		2019
	(In thousands)
Deferred tax assets:
Deferred revenues, accruals and reserves	$	66,926	$	70,539
Net operating loss carryforwards	5,623		17,897
Tax credit carryforwards	5,078		5,516
Other	2,379		7,401
Total deferred tax assets	80,006		101,353
Valuation allowance	(5,613)		(6,598)
Net deferred tax assets	74,393		94,755
Deferred tax liabilities:
Property and equipment	(4,167)		(3,466)
Other	(2,394)		(3,608)
Total deferred tax liabilities	(6,561)		(7,074)
Total net deferred tax assets	$	67,832	$	87,681

Reconciliation Of Gross Unrecognized Tax Benefits

A reconciliation of the beginning and ending balances of the total amounts of gross unrecognized tax benefits is as follows:

	As of December 31,
	2020		2019
	(In thousands)
Beginning balance	$	231,339	$	223,455
Increases in tax positions for prior years	7,138		4,467
Decreases in tax positions for prior years	(199,107)		(328)
Increases in tax positions for current year	1,613		3,745
Lapse in statute of limitations	(17,255)		—
Ending balance	$	23,728	$	231,339