XML 51 R30.htm IDEA: XBRL DOCUMENT  v2.3.0.11

Amortizable Intangible Assets and Goodwill (Tables)

6 Months Ended

Jun. 30, 2011

Amortizable Intangible Assets and Goodwill

Components of intangible assets

		As of June 30, 2011
		Gross Carrying Amount			Accumulated Amortization			Net Carrying Amount
		(In thousands)
Patents (useful life of 3 to 10 years)		$	24,433		$	(11,167	)	$	13,266
Customer contracts and contractual relationships (useful life of 1 to 10 years)		33,550			(3,782		)	29,768
Existing technology (useful life of 3 to 7 years)		159,350			(8,471		)	150,879
Intellectual property (useful life of 4 years)		10,384			(10,384		)	—
Non-competition agreement (useful life of 3 years)		400			(108		)	292
Total intangible assets		$	228,117		$	(33,912	)	$	194,205

		As of December 31, 2010
		Gross Carrying  Amount			Accumulated  Amortization			Net Carrying  Amount
		(In thousands)
Patents (useful life of 3 to 10 years)		$	24,433		$	(9,361	)	$	15,072
Customer contracts and contractual relationships (useful life of 1 to 10 years)		4,050			(3,127		)	923
Existing technology (useful life of 3 to 7 years)		29,950			(4,959		)	24,991
Intellectual property (useful life of 4 years)		10,384			(10,384		)	—
Non-competition agreement (useful life of 3 years)		100			(100		)	—
Total intangible assets		$	68,917		$	(27,931	)	$	40,986

Schedule of identified intangible assets assumed in the acquisition of CRI

		Total			Estimated Useful Life
		(in thousands)			(in years)
Existing technology		$	129,400		7
Customer relationships		17,300			7
Favorable contracts		12,200			2
Non-competition agreements		300			3
Total		$	159,200

Estimated future amortization expense of intangible assets

The estimated future amortization expense of intangible assets as of June 30, 2011 was as follows (amounts in thousands):

Years Ending December 31:		Amount
2011 (remaining 6 months)		$	16,179
2012		34,536
2013		31,471
2014		27,330
2015		26,679
Thereafter		58,010
		$	194,205

Schedule of goodwill information by reportable units

		December 31,			Addition to			June 30,
Reporting Units:		2010			Goodwill (1)			2011
		(In thousands)
SBG		$	4,454		$	—		$	4,454
CRI		—			96,994			96,994
Lighting and Display Technology group (“LDT”)		13,700			—			13,700
Total		$	18,154		$	96,994		$	115,148

(1) The addition to goodwill resulted from a business combination which was completed in June 2011. See Note 16, “Acquisition” for further details.

X

- Definition

Tabular disclosure of the characteristics, including initial carrying value, residual amount, weighted average useful life, of finite-lived intangible assets acquired during the period by major class. A major class is composed of intangible assets that can be grouped together because they are similar, either by nature or by their use in the operations of the company.

+ Details

Name:	rmbs_ScheduleOfAcquiredFiniteLivedIntangibleAssetsByMajorClassTableTextBlock
Namespace Prefix:	rmbs
Data Type:	nonnum:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- Details

Name:	us-gaap_FiniteLivedIntangibleAssetsAbstract
Namespace Prefix:	us-gaap
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Tabular disclosure of the estimated aggregate amortization expense for intangible assets subject to amortization for each of the five succeeding fiscal years.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Topic 350
-SubTopic 30
-Publisher FASB
-Number
-Article
-Subparagraph (a)
-Name Accounting Standards Codification
-Paragraph 2
-Section 50
-URI http://asc.fasb.org/extlink&oid=6905858&loc=d3e16323-109275

+ Details

Name:	us-gaap_ScheduleOfExpectedAmortizationExpenseTableTextBlock
Namespace Prefix:	us-gaap
Data Type:	nonnum:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Tabular disclosure of amortizable intangibles assets, in total and by major class, including the gross carrying amount and accumulated amortization. A major class is composed of intangible assets that can be grouped together because they are similar, either by their nature or by their use in the operations of a company.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 142
-Paragraph 45
-Subparagraph a
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
-Paragraph 1
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=6905858&loc=d3e16265-109275

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
-Paragraph 2
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=6905858&loc=d3e16323-109275

+ Details

Name:	us-gaap_ScheduleOfFiniteLivedIntangibleAssetsByMajorClassTextBlock
Namespace Prefix:	us-gaap
Data Type:	nonnum:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Tabular disclosure of goodwill by reportable segment and in total. Disclosure details may include, but are not limited to, the carrying amount of goodwill, goodwill acquired during the year, goodwill impairment losses recognized, goodwill written-off due to the sale of a business unit, goodwill not yet allocated, and any other changes to goodwill.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 50
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=6905597&loc=d3e13854-109267

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6905597&loc=d3e13816-109267

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 142
-Paragraph 45
-Subparagraph c
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 4: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 142
-Paragraph 45
-Subparagraph e
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 5: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 142
-Paragraph 47
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

+ Details

Name:	us-gaap_ScheduleOfGoodwillTextBlock
Namespace Prefix:	us-gaap
Data Type:	nonnum:textBlockItemType
Balance Type:	na
Period Type:	duration