Settlement Agreement, Consideration

No definition available.

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- Definition

Settlement Agreement, Future Receivables, Due In Fifth Full Fiscal Year And Thereafter

+ 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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Period Type:	instant

- 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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Data Type:	xbrli:monetaryItemType
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Period Type:	instant

- 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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Data Type:	xbrli:monetaryItemType
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Period Type:	instant

- 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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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
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- 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 Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 25

-Subparagraph (c)

-URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3536-108585

+ Details

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- Details

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- Details

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Agreement with SK hynix (Details 4) (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Jun. 11, 2013	Dec. 09, 2013
SK hynix
Accounts, Notes, Loans and Financing Receivable [Line Items]
Cash Received	$ 48.0	$ 24.0
Settlement Agreement, Future Recivables, Due in First Full Fiscal Year	48.0
Estimated to Be Received in 2016	48.0
Estimated to Be Received in 2017	48.0
Estimated to Be Received in 2018	24.0
Total Estimated Cash receipts	240.0		240.0
SK hynix \| Royalty revenue
Accounts, Notes, Loans and Financing Receivable [Line Items]
Cash Received	47.3	23.6
Settlement Agreement, Future Recivables, Due in First Full Fiscal Year	47.3
Estimated to Be Received in 2016	47.9
Estimated to Be Received in 2017	48.0
Estimated to Be Received in 2018	24.0
Total Estimated Cash receipts	238.1		238.1
SK hynix \| Gain from settlement
Accounts, Notes, Loans and Financing Receivable [Line Items]
Cash Received	0.7	0.4
Settlement Agreement, Future Recivables, Due in First Full Fiscal Year	0.7
Estimated to Be Received in 2016	0.1
Estimated to Be Received in 2017	0
Estimated to Be Received in 2018	0
Total Estimated Cash receipts	1.9
Micron
Accounts, Notes, Loans and Financing Receivable [Line Items]
Cash Received	40.0	5.5
Settlement Agreement, Future Recivables, Due in First Full Fiscal Year	40.0
Estimated to Be Received in 2016	40.0
Estimated to Be Received in 2017	40.0
Estimated to Be Received in 2018	40.0
Estimated to Be Received in 2019 and thereafter	74.5
Total Estimated Cash receipts	280.0			280.0
Micron \| Royalty revenue
Accounts, Notes, Loans and Financing Receivable [Line Items]
Cash Received	38.7	5.3
Settlement Agreement, Future Recivables, Due in First Full Fiscal Year	38.7
Estimated to Be Received in 2016	39.5
Estimated to Be Received in 2017	40.0
Estimated to Be Received in 2018	40.0
Estimated to Be Received in 2019 and thereafter	74.5
Total Estimated Cash receipts	276.7			276.7
Micron \| Gain from settlement
Accounts, Notes, Loans and Financing Receivable [Line Items]
Cash Received	1.3	0.2
Settlement Agreement, Future Recivables, Due in First Full Fiscal Year	1.3
Estimated to Be Received in 2016	0.5
Estimated to Be Received in 2017	0
Estimated to Be Received in 2018	0
Estimated to Be Received in 2019 and thereafter	0
Total Estimated Cash receipts	$ 3.3