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Agreement with SK hynix (Details 4) (Details) (USD $) In Millions, unless otherwise specified | 12 Months Ended |  | 12 Months Ended |  | 12 Months Ended |  | 12 Months Ended |  | 12 Months Ended
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Dec. 31, 2013 SK hynix | Jun. 11, 2013 SK hynix | Dec. 31, 2013 SK hynix Royalty revenue | Jun. 11, 2013 SK hynix Royalty revenue | Dec. 31, 2013 SK hynix Gain from settlement | Dec. 31, 2013 Micron | Dec. 09, 2013 Micron | Dec. 31, 2013 Micron Royalty revenue | Dec. 09, 2013 Micron Royalty revenue | Dec. 31, 2013 Micron Gain from settlement
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |  |  |  |  |
Cash Received to date in 2013 | $ 24.0 |  | $ 23.6 |  | $ 0.4 | $ 5.5 |  | $ 5.3 |  | $ 0.2
Estimated to Be Received in 2014 | 48.0 |  | 47.3 |  | 0.7 | 40.0 |  | 38.7 |  | 1.3
Estimated to Be Received in 2015 | 48.0 |  | 47.3 |  | 0.7 | 40.0 |  | 38.7 |  | 1.3
Estimated to Be Received in 2016 | 48.0 |  | 47.9 |  | 0.1 | 40.0 |  | 39.5 |  | 0.5
Estimated to Be Received in 2017 | 48.0 |  | 48.0 |  | 0 | 40.0 |  | 40.0 |  | 0
Estimated to Be Received in 2018 | 24.0 |  | 24.0 |  | 0 | 114.5 |  | 114.5 |  | 0
Total Estimated Cash receipts | $ 240.0 | $ 240.0 | $ 238.1 | $ 238.1 | $ 1.9 | $ 280.0 | $ 280.0 | $ 276.7 | $ 276.7 | $ 3.3

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- Definition Settlement Agreement, Future Recivables, Due within the fifth full fiscal year following the date of the most recent balance sheet. + References No definition available. + Details
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- Definition Settlement Agreement, Future Recivables, Due within the first full fiscal year following the date of the most recent balance sheet. + References No definition available. + Details
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- Definition Settlement Agreement, Future Recivables, Due within the fourth full fiscal year following the date of the most recent balance sheet. + References No definition available. + Details
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- Definition Settlement Agreement, Future Recivables, Due within the second full fiscal year following the date of the most recent balance sheet. + References No definition available. + Details
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- Definition Settlement Agreement, Future Recivables, Due within the third full fiscal year following the date of the most recent balance sheet. + References No definition available. + Details
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- Definition Cash received for the settlement of litigation during the current period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 95 -Paragraph 27 -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 230 -SubTopic 10 -Section 45 -Paragraph 25 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=6943989&loc=d3e3536-108585 + Details
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