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Acquisitions (Schedule of Assumptions Applied in Merger) (Details) (USD $)
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12 Months Ended | |||
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Dec. 31, 2013
Makerbot [Member]
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Dec. 31, 2012
Objet [Member]
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Dec. 31, 2012
Objet [Member]
Minimum [Member]
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Dec. 31, 2012
Objet [Member]
Maximum [Member]
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| Business Acquisition [Line Items] | ||||
| Risk-free interest rate | 0.36% | 0.35% | 0.49% | |
| Expected option term | 1 year 4 months 17 days | 2 years 6 months | 3 years 8 months 12 days | |
| Expected price volatility | 59.41% | 60.72% | 62.59% | |
| Dividend yield | ||||
| Weighted average merger date fair value | $ 92.73 | $ 70.01 | ||
| X | ||||||||||
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- Definition
Fair value assumptions, weighted average merger date fair value. No definition available.
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| X | ||||||||||
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- Details
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| X | ||||||||||
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- Definition
Expected dividends to be paid to holders of the underlying shares or financial instruments (expressed as a percentage of the share or instrument's price). Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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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. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Measure of dispersion, in percentage terms (for instance, the standard deviation or variance), for a given stock price. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Risk-free interest rate assumption used in valuing an instrument. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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