Income Taxes (Tables)

12 Months Ended

Dec. 31, 2019

Income Taxes [Abstract]

Income From Continuing Operations Before Income Taxes

Income before income taxes is categorized geographically as follows:

	Year Ended December 31,
	2019		2018		2017
	(In thousands)
United States	$	452,793	$	420,597	$	313,351
Foreign	305,983		308,919		285,661
Total income before income taxes	$	758,776	$	729,516	$	599,012

Components Of Provision For Income Taxes

The provision for income taxes consisted of the following:

	Year Ended December 31,
	2019			2018			2017
	(In thousands)
Current expense:
Federal	$	74,283		$	99,127		$	16,870
State	2,069			1,088			294
Foreign, including withholding tax	31,385			76,199			15,539
	107,737			176,414			32,703
Deferred expense (benefit):
Federal	30,462			(16,448		)	90,113
State	22,899			42,624			19,654
Foreign	(14,621		)	(55,563		)	(706		)
	38,740			(29,387		)	109,061
Total income tax expense	$	146,477		$	147,027		$	141,764

Reconciliation Of Income Tax At Effective Income Tax Rate

The difference between income tax expense and the amount resulting from applying the federal statutory rate of 21% in 2019 and 2018, and 35% in 2017, to Income before income taxes is attributable to the following:

	Year Ended December 31,
	2019			2018			2017
	(In thousands)
Income tax expense at federal statutory rate	$	159,343		$	153,199		$	209,654
State taxes, net of federal benefit	20,573			35,852			13,029
Effect of non-U.S. operations	(25,178		)	(26,271		)	(45,810		)
Stock-based compensation	(9,204		)	(7,032		)	(5,375		)
Capital loss carryforwards expiration	—			769,706			—
Change in valuation allowance	(3,555		)	(773,737		)	(5,813		)
Accrual for uncertain tax positions	7,365			2,637			4,923
U.S. federal tax rate change	—			—			(186,800		)
Transition tax, net of foreign tax credits	—			(5,602		)	162,353
Other	(2,867		)	(1,725		)	(4,397		)
Total income tax expense	$	146,477		$	147,027		$	141,764

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,
	2019			2018
	(In thousands)
Deferred tax assets:
Net operating loss carryforwards	$	17,897		$	40,729
Tax credit carryforwards	5,516			3,970
Deferred revenues, accruals and reserves	70,539			73,847
Other	7,401			6,724
Total deferred tax assets	101,353			125,270
Valuation allowance	(6,598		)	(10,153		)
Net deferred tax assets	94,755			115,117
Deferred tax liabilities:
Property and equipment	(3,466		)	(2,764		)
Other	(3,608		)	(7,495		)
Total deferred tax liabilities	(7,074		)	(10,259		)
Total net deferred tax assets	$	87,681		$	104,858

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,
	2019			2018
	(In thousands)
Beginning balance	$	223,455		$	223,216
Increases in tax positions for prior years	4,467			333
Decreases in tax positions for prior years	(328		)	(196		)
Increases in tax positions for current year	3,745			436
Lapse in statute of limitations	—			(334		)
Ending balance	$	231,339		$	223,455