Quantitative Information Associated With Fair Value Measurement of Level 3 Financial Instrument (Detail) - USD ($) $ in Thousands |
12 Months Ended | |||
---|---|---|---|---|
Dec. 31, 2017 |
Jun. 11, 2015 |
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Universal Robots | ||||
Fair Value Inputs, Liabilities, Quantitative Information [Line Items] | ||||
Contingent consideration | $ 31,600 | |||
Significant Unobservable Inputs (Level 3) | Universal Robots | ||||
Fair Value Inputs, Liabilities, Quantitative Information [Line Items] | ||||
Contingent consideration | [1] | $ 24,497 | ||
Monte Carlo Simulation | Significant Unobservable Inputs (Level 3) | ||||
Fair Value Inputs, Liabilities, Quantitative Information [Line Items] | ||||
Contingent consideration | $ 20,605 | |||
Monte Carlo Simulation | Revenue for the period July 1, 2015-December 31, 2017 | Universal Robots | ||||
Fair Value Inputs, Liabilities, Quantitative Information [Line Items] | ||||
Target achievement, volatility | 11.20% | |||
Discount Rate | 3.30% | |||
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