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Business Combination Schedule of Intangible Assets Acquired (Details) (USD $) In Thousands, unless otherwise specified | 3 Months Ended
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Mar. 31, 2014
Acquired Finite-Lived Intangible Assets [Line Items] |
Finite-lived Intangible Assets Acquired | $ 8,300
SignalDemand [Member] |
Acquired Finite-Lived Intangible Assets [Line Items] |
Finite-lived Intangible Assets Acquired | 8,300
Cameleon Acquisition [Member] |
Acquired Finite-Lived Intangible Assets [Line Items] |
Finite-lived Intangible Assets Acquired | 18,653
Developed Technology Rights [Member] | SignalDemand [Member] |
Acquired Finite-Lived Intangible Assets [Line Items] |
Finite-lived Intangible Assets Acquired | 4,600
Finite-Lived Intangible Asset, Useful Life | 7 years
Developed Technology Rights [Member] | Cameleon Acquisition [Member] |
Acquired Finite-Lived Intangible Assets [Line Items] |
Finite-lived Intangible Assets Acquired | 11,147
Finite-Lived Intangible Asset, Useful Life | 7 years
Software and Software Development Costs [Member] | SignalDemand [Member] |
Acquired Finite-Lived Intangible Assets [Line Items] |
Finite-lived Intangible Assets Acquired | 160
Finite-Lived Intangible Asset, Useful Life | 2 years
Customer Relationships [Member] | SignalDemand [Member] |
Acquired Finite-Lived Intangible Assets [Line Items] |
Finite-lived Intangible Assets Acquired | 3,500
Finite-Lived Intangible Asset, Useful Life | 8 years
Customer Relationships [Member] | Cameleon Acquisition [Member] |
Acquired Finite-Lived Intangible Assets [Line Items] |
Finite-lived Intangible Assets Acquired | 1,455
Maintenance relationship [Member] | Cameleon Acquisition [Member] |
Acquired Finite-Lived Intangible Assets [Line Items] |
Finite-lived Intangible Assets Acquired | 3,808
Finite-Lived Intangible Asset, Useful Life | 8 years
Trade Names [Member] | SignalDemand [Member] |
Acquired Finite-Lived Intangible Assets [Line Items] |
Finite-lived Intangible Assets Acquired | 40
Finite-Lived Intangible Asset, Useful Life | 2 years
Trade Names [Member] | Cameleon Acquisition [Member] |
Acquired Finite-Lived Intangible Assets [Line Items] |
Finite-lived Intangible Assets Acquired | 1,020
Finite-Lived Intangible Asset, Useful Life | 8 years
Other Intangible Assets [Member] | Cameleon Acquisition [Member] |
Acquired Finite-Lived Intangible Assets [Line Items] |
Finite-lived Intangible Assets Acquired | $ 1,223
Finite-Lived Intangible Asset, Useful Life | 2 years
Minimum [Member] | Customer Relationships [Member] | Cameleon Acquisition [Member] |
Acquired Finite-Lived Intangible Assets [Line Items] |
Finite-Lived Intangible Asset, Useful Life | 2 years
Maximum [Member] | Customer Relationships [Member] | Cameleon Acquisition [Member] |
Acquired Finite-Lived Intangible Assets [Line Items] |
Finite-Lived Intangible Asset, Useful Life | 5 years

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- Definition Amount of increase in assets, excluding financial assets, lacking physical substance with a definite life, resulting from a business combination. + References No definition available. + Details
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- Definition Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
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