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Contingencies (Details) (USD $)
In Millions, unless otherwise specified |
1 Months Ended | 21 Months Ended | ||
|---|---|---|---|---|
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Nov. 30, 2012
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Jun. 30, 2004
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Jun. 30, 2004
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Jul. 31, 2013
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| Contingencies (Details) [Line Items] | ||||
| Loss Contingency, Number of Defendants | 6 | |||
| Loss Contingency, New Claims Filed, Number | 6 | |||
| Gain Contingency, Patents Allegedly Infringed upon, Number | 6 | |||
| Number of Licensee Patents | 4 | 4 | ||
| Gain Contingency, Patents Found Not Infringed upon, Number | 1 | |||
| Additional Recovery Related to Prejudgment Interest | Prejudgment interest should provide for additional recovery in the tens of millions of dollars. | |||
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Indemnification Agreement [Member]
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| Contingencies (Details) [Line Items] | ||||
| Gain Contingency, Unrecorded Amount (in Dollars) | $ 48.5 | |||
| X | ||||||||||
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- Definition
Additional recovery related to prejudgment interest. No definition available.
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| X | ||||||||||
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- Details
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| X | ||||||||||
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- Definition
Number of licensee patents. No definition available.
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| X | ||||||||||
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- Definition
Number of entity's patents that another entity has allegedly infringed. No definition available.
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| X | ||||||||||
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- Definition
Number of entity's patents that another entity was found not to have infringed. No definition available.
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| X | ||||||||||
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- Definition
The amount or range of possible amounts of gain that could be realized upon the resolution of a contingency. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
The total number of new claims filed pertaining to a loss contingency during the period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Number of defendants named in a legal action. No definition available.
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