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Fair Value Measurements (Details Textual) (USD $) In Millions, unless otherwise specified | 12 Months Ended |  |
--- | --- | --- | ---
Dec. 31, 2013 | Oct. 31, 2012 Driver Ic Reporting Unit [Member] | Oct. 31, 2011 Driver Ic Reporting Unit [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |  |
Corporate straight bond and concersion option, Fair Value Disclosure |  | $ 571.9 | $ 367.4
Fair Value Assumptions, Risk Free Interest Rate | 0.58% |  |
Fair Value Assumptions, Expected Term | 9 months 22 days |  |
Fair Value Assumptions, Expected Volatility Rate | 46.35% |  |
Weighted Average Cost Of Capital |  | 21.30% | 23.00%
Long Term Growth Rate |  | 1.10% | (8.00%)
Percentage Of Variation Between Fair Value and Carrying Amount |  | 54.30% | 7.60%

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- Definition This element represents the aggregate of the corporate straight bond and concersion option reported on the balance sheet at period end measured at fair value by the entity. + References No definition available. + Details
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- Definition Represents the percentage of long term growth rate. + References No definition available. + Details
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- Definition Represents the percentage by which the fair value of intangible asset exceeds the carrying amount. + References No definition available. + Details
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- Definition Represents the percentage of weighted average cost of capital. + References No definition available. + Details
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- Definition Period the instrument, asset or liability is expected to be outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=25499696&loc=d3e19207-110258 + Details
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- Definition Measure of dispersion, in percentage terms (for instance, the standard deviation or variance), for a given stock price. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=25499696&loc=d3e19207-110258 + Details
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- Definition Risk-free interest rate assumption used in valuing an instrument. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=25499696&loc=d3e19207-110258 + Details
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- Details
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