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Quantitative Information Associated With Fair Value Measurement of Level 3 Financial Instrument (Detail) - Monte Carlo Simulation $ in Thousands	6 Months Ended
	Jun. 28, 2020 USD ($)
Mobile Industrial Robots (MiR)
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Target achievement, volatility	10.00%
Discount rate	0.80%
Autoguide LLC [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Target achievement, volatility	15.50%
Discount rate	1.80%
Significant Unobservable Inputs (Level 3) | Mobile Industrial Robots (MiR)
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Contingent consideration	$ 0
Significant Unobservable Inputs (Level 3) | Autoguide LLC [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Contingent consideration	$ 49,737

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Amount of liability recognized arising from contingent consideration in a business combination.

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