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Quantitative Information Associated With Fair Value Measurement of Level 3 Financial Instrument (Detail) - USD ($) $ in Thousands |  | 6 Months Ended |  |
--- | --- | --- | --- | ---
Oct. 31, 2014 | Jul. 05, 2015 | Jun. 11, 2015 | Dec. 31, 2014
Fair Value Inputs, Liabilities, Quantitative Information [Line Items] |  |  |  |
Contingent consideration |  | $ 15,092 |  | $ 895
Universal Robots |  |  |  |
Fair Value Inputs, Liabilities, Quantitative Information [Line Items] |  |  |  |
Contingent consideration |  |  | $ 33,800 |
Avionics Interface Technologies, LLC |  |  |  |
Fair Value Inputs, Liabilities, Quantitative Information [Line Items] |  |  |  |
Contingent consideration | $ 1,800 |  |  |
Discount rate | 4.70% |  |  |
Significant Unobservable Inputs (Level 3) | Income Approach Valuation Technique | Universal Robots |  |  |  |
Fair Value Inputs, Liabilities, Quantitative Information [Line Items] |  |  |  |
Contingent consideration |  | 33,845 |  |
Significant Unobservable Inputs (Level 3) | Income Approach Valuation Technique | Avionics Interface Technologies, LLC |  |  |  |
Fair Value Inputs, Liabilities, Quantitative Information [Line Items] |  |  |  |
Contingent consideration |  | $ 1,750 |  |
Ebitda | Universal Robots |  |  |  |
Fair Value Inputs, Liabilities, Quantitative Information [Line Items] |  |  |  |
Target achievement, probability |  | 99.00% |  |
Discount rate |  | 6.00% |  |
Forecasted Revenues | Universal Robots |  |  |  |
Fair Value Inputs, Liabilities, Quantitative Information [Line Items] |  |  |  |
Target achievement, probability |  | 72.00% |  |
Discount rate |  | 8.00% |  |
Outperformance Revenue | Universal Robots |  |  |  |
Fair Value Inputs, Liabilities, Quantitative Information [Line Items] |  |  |  |
Target achievement, probability |  | 29.00% |  |
Discount rate |  | 10.00% |  |
Revenue Earnout | Avionics Interface Technologies, LLC |  |  |  |
Fair Value Inputs, Liabilities, Quantitative Information [Line Items] |  |  |  |
Target achievement, probability |  | 90.00% |  |
Discount rate |  | 4.70% |  |

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