XML 46 R43.htm IDEA: XBRL DOCUMENT v2.4.1.9

Income Taxes (Tables)

12 Months Ended

Dec. 31, 2014

Income Tax Expense (Benefit), Continuing Operations [Abstract]

Schedule of income before income tax

Income before taxes consisted of the following:

	Years Ended December 31,
	2014				2013				2012
	(In thousands)
Domestic	$	49,173			$	(12,535	)		$	(61,036	)
Foreign	1,077				518				(56,849		)
	$	50,250			$	(12,017	)		$	(117,885	)

Components of provision for (benefit from) income taxes

The provision for income taxes is comprised of:

	Years Ended December 31,
	2014				2013				2012
	(In thousands)
Federal:
Current	$	19,386			$	19,319			$	15,048
Deferred	2,337				2,200				587
State:
Current	713				47				(2,868		)
Deferred	—				(501		)		2,934
Foreign:
Current	1,640				446				543
Deferred	(27		)		220				207
	$	24,049			$	21,731			$	16,451

Schedule of effective income tax rate reconciliation

The differences between Rambus’ effective tax rate and the U.S. federal statutory regular tax rate are as follows:

	Years Ended December 31,
	2014			2013			2012
Expense (benefit) at U.S. federal statutory rate	35.0	%		(35.0	)%		(35.0	)%
Expense (benefit) at state statutory rate	1.0			(3.3	)		0.1
Withholding tax	38.6			160.4			13.3
Foreign rate differential	2.5			4.1			17.4
Research and development (“R&D”) credit	(6.1	)		(36.7	)		—
Executive compensation	0.2			0.8			0.3
Non-deductible stock-based compensation	1.4			2.5			0.7
Foreign tax credit	(38.7	)		(163.3	)		(13.3	)
Capitalized merger and acquisition costs	—			—			0.3
Other	0.6			(1.0	)		(2.2	)
Valuation allowance	13.4			252.3			32.4
	47.9	%		180.8	%		14.0	%

Components of the net deferred tax assets

The components of the net deferred tax assets are as follows:

	As of December 31,
	2014				2013
	(In thousands)
Deferred tax assets:
Depreciation and amortization	$	29,099			$	28,093
Other liabilities and reserves	9,916				18,578
Deferred equity compensation	29,511				33,837
Net operating loss carryovers	12,307				27,752
Tax credits	116,658				100,052
Total gross deferred tax assets	197,491				208,312
Convertible debt	(8,092)				(13,000)
Total net deferred tax assets	189,399				195,312
Valuation allowance	(193,874		)		(192,823		)
Net deferred tax assets (liabilities)	$	(4,475	)		$	2,489

	As of December 31,
	2014				2013
	(In thousands)
Reported as:
Current deferred tax assets	$	187			$	205
Current deferred tax liabilities	(1,131		)		(791		)
Non-current deferred tax assets	536				4,797
Non-current deferred tax liabilities	(4,067		)		(1,722		)
Net deferred tax assets (liabilities)	$	(4,475	)		$	2,489

Summary of valuation allowance

The following table presents the tax valuation allowance information for the years ended December 31, 2014, December 31, 2013 and December 31, 2012:

	Balance at Beginning of Period				Charged (Credited) to Operations			Charged to Other Account*			Utilized			Balance at End of Period
Tax Valuation Allowance
Year ended December 31, 2012	$	130,548			—			54,269			—			$	184,817
Year ended December 31, 2013	$	184,817			—			8,006			—			$	192,823
Year ended December 31, 2014	$	192,823			—			1,051			—			$	193,874

______________________________________

* Amounts not charged to operations are charged to other comprehensive income or deferred tax assets (liabilities).

Schedule of reconciliation of the beginning and ending amounts of unrecognized tax benefits

A reconciliation of the beginning and ending amounts of unrecognized income tax benefits for the years ended December 31, 2014, 2013 and 2012 is as follows (amounts in thousands):

	Years Ended December 31,
	2014				2013				2012
Balance at January 1	$	18,794			$	16,773			$	16,610
Tax positions related to current year:
Additions	1,134				1,156				589
Tax positions related to prior years:
Additions	531				956				1,521
Reductions	(556		)		(91		)		(1,947		)
Settlements	—				—				—
Balance at December 31	$	19,903			$	18,794			$	16,773

X

- Details

Name:	us-gaap_IncomeTaxExpenseBenefitContinuingOperationsAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Tabular disclosure of the components of income tax expense attributable to continuing operations for each year presented including, but not limited to: current tax expense (benefit), deferred tax expense (benefit), investment tax credits, government grants, the benefits of operating loss carryforwards, tax expense that results from allocating certain tax benefits either directly to contributed capital or to reduce goodwill or other noncurrent intangible assets of an acquired entity, adjustments of a deferred tax liability or asset for enacted changes in tax laws or rates or a change in the tax status of the entity, and adjustments of the beginning-of-the-year balances of a valuation allowance because of a change in circumstances that causes a change in judgment about the realizability of the related deferred tax asset in future years.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 740

-SubTopic 10

-Section 50

-Paragraph 9

-URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32639-109319

+ Details

Name:	us-gaap_ScheduleOfComponentsOfIncomeTaxExpenseBenefitTableTextBlock
Namespace Prefix:	us-gaap_
Data Type:	nonnum:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Tabular disclosure of the components of net deferred tax asset or liability recognized in an entity's statement of financial position, including the following: the total of all deferred tax liabilities, the total of all deferred tax assets, the total valuation allowance recognized for deferred tax assets.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 740

-SubTopic 10

-Section 50

-Paragraph 2

-URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32537-109319

+ Details

Name:	us-gaap_ScheduleOfDeferredTaxAssetsAndLiabilitiesTableTextBlock
Namespace Prefix:	us-gaap_
Data Type:	nonnum:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Tabular disclosure of the reconciliation using percentage or dollar amounts of the reported amount of income tax expense attributable to continuing operations for the year to the amount of income tax expense that would result from applying domestic federal statutory tax rates to pretax income from continuing operations.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 740

-SubTopic 10

-Section 50

-Paragraph 12

-URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32687-109319

+ Details

Name:	us-gaap_ScheduleOfEffectiveIncomeTaxRateReconciliationTableTextBlock
Namespace Prefix:	us-gaap_
Data Type:	nonnum:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Tabular disclosure of income before income tax between domestic and foreign jurisdictions.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 235

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.4-08.(h)(1)(i))

-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690

+ Details

Name:	us-gaap_ScheduleOfIncomeBeforeIncomeTaxDomesticAndForeignTableTextBlock
Namespace Prefix:	us-gaap_
Data Type:	nonnum:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Tabular disclosure of tax positions taken in the tax returns filed or to be filed for which it is more likely than not that the tax position will not be sustained upon examination by taxing authorities (i.e., uncertain tax positions) and other types of income tax contingencies, including: (1) the policy on classification of interest and penalties; (2) a tabular reconciliation of the total amounts of unrecognized tax benefits at the beginning and end of the period; the total amount(s) of: (3) unrecognized tax benefits that, if recognized, would affect the effective tax rate, and (4) interest and penalties recognized in each of the income statement and balance sheet; (5) for positions for which it is reasonably possible that the total amounts unrecognized will significantly change within 12 months of the reporting date the: (i) nature of the uncertainty, (ii) nature of the event that could occur that would cause the change, and (iii) an estimate of the range of the reasonably possible change or a statement that an estimate of the range cannot be made; and (6) a description of tax years that remain subject to examination by major tax jurisdictions.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 740

-SubTopic 10

-Section 50

-Paragraph 15

-URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32718-109319

+ Details

Name:	us-gaap_SummaryOfIncomeTaxContingenciesTextBlock
Namespace Prefix:	us-gaap_
Data Type:	nonnum:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Tabular disclosure of valuation allowances to reduce deferred tax assets to net realizable value, including identification of the deferred tax asset more likely than not will not be fully realized and the corresponding amount of the valuation allowance.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 740

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (c)

-URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32537-109319



Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Valuation Allowance

-URI http://asc.fasb.org/extlink&oid=6528051

+ Details

Name:	us-gaap_SummaryOfValuationAllowanceTextBlock
Namespace Prefix:	us-gaap_
Data Type:	nonnum:textBlockItemType
Balance Type:	na
Period Type:	duration