XML 50 R44.htm IDEA: XBRL DOCUMENT
v2.4.1.9

Agreement with SK hynix Agreement (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2014
SK Hynix [Member] |
Accounts, Notes, Loans and Financing Receivable [Line Items] |
Estimated fair value of settlement | The estimated SK hynix Fair Value is determined as follows:
(in millions) | Estimated SK hynix Fair Value
Antitrust litigation settlement | $ | 4.0 |
Settlement of past infringement | 280.0 |
License agreement | 250.0 |
Total SK hynix Fair Value | $ | 534.0 |
Allocated consideration of settlement agreement | Based on the estimated SK hynix Fair Value, the total consideration of $240.0 million was allocated to the following elements:
(in millions) | Allocated Consideration
Antitrust litigation settlement | $ | 1.9 |
Settlement of past infringement | 125.8 |
License agreement | 112.3 |
Total consideration | $ | 240.0 |
Schedule of cash receipts | The cash receipts and remaining future cash receipts from the agreements with SK hynix are expected to be recognized as follows assuming no adjustments to the payments under the terms of the agreements:
| Received in |  | Estimated to Be Received in |  | Total Estimated Cash Receipts
| 2013 |  | 2014 |  | 2015 |  | 2016 |  | 2017 |  | 2018 |
(in millions) |  |  |  |  |  |  |  |  |  |  |  |  |
Royalty revenue | $ | 23.6 |  |  | $ | 47.3 |  |  | $ | 47.3 |  |  | $ | 47.9 |  |  | $ | 48.0 |  |  | $ | 24.0 |  |  | $ | 238.1 |
Gain from settlement | 0.4 |  |  | 0.7 |  |  | 0.7 |  |  | 0.1 |  |  | — |  |  | — |  |  | 1.9 |
Total | $ | 24.0 |  |  | $ | 48.0 |  |  | $ | 48.0 |  |  | $ | 48.0 |  |  | $ | 48.0 |  |  | $ | 24.0 |  |  | $ | 240.0 |
Micron Agreement [Member] |
Accounts, Notes, Loans and Financing Receivable [Line Items] |
Estimated fair value of settlement | The estimated Micron Fair Value is determined as follows:
(in millions) | Estimated Micron Fair Value
Antitrust litigation settlement | $ | 8.0 |
Settlement of past infringement | 235.0 |
License agreement | 440.0 |
Total Micron Fair Value | $ | 683.0 |
Allocated consideration of settlement agreement | Based on the estimated Micron Fair Value, the total consideration of $280.0 million was allocated to the following elements:
(in millions) | Allocated Consideration
Antitrust litigation settlement | $ | 3.3 |
Settlement of past infringement | 96.3 |
License agreement | 180.4 |
Total consideration | $ | 280.0 |
Schedule of cash receipts | The cash receipts and remaining future cash receipts from the agreements with Micron are expected to be recognized as follows assuming no adjustments to the payments under the terms of the agreements:
| Received in |  | Estimated to Be Received in |  | Total Estimated Cash Receipts
| 2013 |  | 2014 |  | 2015 |  | 2016 |  | 2017 |  | 2018 |  | 2019 and thereafter |
(in millions) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Royalty revenue | $ | 5.3 |  |  | $ | 38.7 |  |  | $ | 38.7 |  |  | $ | 39.5 |  |  | $ | 40.0 |  |  | $ | 40.0 |  |  | $ | 74.5 |  |  | $ | 276.7 |
Gain from settlement | 0.2 |  |  | 1.3 |  |  | 1.3 |  |  | 0.5 |  |  | — |  |  | — |  |  | — |  |  | 3.3 |
Total | $ | 5.5 |  |  | $ | 40.0 |  |  | $ | 40.0 |  |  | $ | 40.0 |  |  | $ | 40.0 |  |  | $ | 40.0 |  |  | $ | 74.5 |  |  | $ | 280.0 |

X
- Definition Schedule of Settlement Agreement, Allocated Consideration [Table Text Block] + References No definition available. + Details
Name: | rmbs_ScheduleofSettlementAgreementAllocatedConsiderationTableTextBlock
Namespace Prefix: | rmbs_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of estimated fair value of settlement agreement classified by the type of agreement. + References No definition available. + Details
Name: | rmbs_ScheduleOfSettlementAgreementFairValueTableTextBlock
Namespace Prefix: | rmbs_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_AccountsNotesAndLoansReceivableLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the recognition of revenue arrangements under which the entity does or will perform multiple revenue-generating activities, categorized by type of arrangement. This item includes certain revenue arrangements that include software elements. This item does not include multiple-deliverable arrangements for industries that prepare disclosures under specific requirements (for instance, construction-type and production-type contracts) otherwise provided for in the taxonomy. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 605 -SubTopic 25 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=19771336&loc=SL6750900-111635 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 605 -SubTopic 25 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=19771336&loc=d3e50766-111635 + Details
Name: | us-gaap_RevenueRecognitionMultipleDeliverableArrangementsTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | rmbs_AgreementNameAxis=rmbs_MicronAgreementMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | rmbs_AgreementNameAxis=rmbs_SKHynixMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |