Income Taxes (Tables) - USD ($)
$ in Thousands

12 Months Ended

Dec. 31, 2016

Dec. 31, 2015

Dec. 31, 2014

Income From Continuing Operations Before Income Taxes

Income before income taxes is categorized geographically as follows:



	Year Ended December 31,
	2016		2015		2014
	(In thousands)
United States	$	299,304	$	248,932	$	270,373
Foreign	281,869		238,718		212,938
Total income before income taxes	$	581,173	$	487,650	$	483,311

Components Of Provision For Income Taxes

The provision for income taxes consisted of the following:



	Year Ended December 31,
	2016		2015		2014
	(In thousands)
Current expense (benefit):
Federal	$	34,842	$	13,601	$	4,643
State	240		156		(14		)
Foreign, including withholding tax	19,268		17,241		69,614
	54,350		30,998		74,243
Deferred expense (benefit):
Federal	64,301		65,168		76,614
State	21,492		15,767		15,402
Foreign	385		481		(38,208		)
	86,178		81,416		53,808
Total income tax expense	$	140,528	$	112,414	$	128,051

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 35% to Income before income taxes is attributable to the following:



	Year Ended December 31,
	2016			2015			2014
	(In thousands)
Income tax expense at federal statutory rate	$	203,410		$	170,677		$	169,159
State taxes, net of federal benefit	14,517			9,616			11,308
Differences between statutory rate and foreign effective tax rate	(79,087		)	(66,238		)	(57,876		)
Reorganization of certain non-U.S. operations	—			—			14,474
Changes in estimates related to worthless stock deduction	—			—			14,497
Change in valuation allowance	(511		)	434			(41,700		)
Accrual for uncertain tax positions	963			706			22,719
Other	1,236			(2,781		)	(4,530		)
Total income tax expense	$	140,528		$	112,414		$	128,051

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,
	2016			2015
	(In thousands)
Deferred tax assets:
Net operating loss carryforwards	$	46,879		$	56,108
Deductible goodwill and intangible assets	10,473			21,044
Tax credit carryforwards	59,337			86,951
Deferred revenue, accruals and reserves	114,548			106,572
Capital loss carryforwards and book impairment of investments	1,161,772			1,162,320
Other	4,791			5,039
Total deferred tax assets	1,397,800			1,438,034
Valuation allowance	(1,162,101		)	(1,162,604		)
Net deferred tax assets	235,699			275,430
Deferred tax liabilities:
Property and equipment	(4,212		)	(10,787		)
Subordinated Convertible debentures	(590,921		)	(538,098		)
Other	(2,614		)	(3,378		)
Total deferred tax liabilities	(597,747		)	(552,263		)
Total net deferred tax liabilities	$	(362,048	)	$	(276,833	)

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,
	2016			2015
	(In thousands)
Gross unrecognized tax benefits at January 1	$	220,280		$	219,908
Increases in tax positions for prior years	119			—
Decreases in tax positions for prior years	(71		)	—
Increases in tax positions for current year	354			372
Gross unrecognized tax benefits at December 31	$	220,682		$	220,280

contingent interest payment for debenture

$ (13,385)

$ (10,759)

$ 0