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Summary of Significant Accounting Policies - Additional Information (Detail) shares in Thousands	3 Months Ended		6 Months Ended
	Jul. 02, 2022 shares	Jul. 03, 2021 shares	Jul. 02, 2022 segment shares	Jul. 03, 2021 shares
Summary Of Significant Accounting Policies [Line Items]
Number of sources of product revenue | segment			4
Options to purchase of shares of common stock	700	400	1,800	200
Patents
Summary Of Significant Accounting Policies [Line Items]
Finite-Lived Intangible Asset, Useful Life			10 years
Restricted Stock Units (RSUs)
Summary Of Significant Accounting Policies [Line Items]
Share-based compensation arrangement, grants in period (in shares)			300
Restricted Stock Units (RSUs) | Chief Executive Officer
Summary Of Significant Accounting Policies [Line Items]
Share-based compensation arrangement, grants in period (in shares)			2,700	2,700
Minimum
Summary Of Significant Accounting Policies [Line Items]
Payment terms			30 days
Warranty period for defects in material and workmanship			6 months
Minimum | Trademarks
Summary Of Significant Accounting Policies [Line Items]
Finite-Lived Intangible Asset, Useful Life			10 years
Minimum | Buildings and building improvements
Summary Of Significant Accounting Policies [Line Items]
Property, Plant and Equipment, Useful Life			7 years
Minimum | Computer equipment and software
Summary Of Significant Accounting Policies [Line Items]
Property, Plant and Equipment, Useful Life			1 year
Minimum | Demonstration units
Summary Of Significant Accounting Policies [Line Items]
Property, Plant and Equipment, Useful Life			2 years
Minimum | Furniture and office equipment
Summary Of Significant Accounting Policies [Line Items]
Property, Plant and Equipment, Useful Life			2 years
Minimum | Machinery, equipment and tooling
Summary Of Significant Accounting Policies [Line Items]
Property, Plant and Equipment, Useful Life			3 years
Minimum | Transportation, vehicles and other
Summary Of Significant Accounting Policies [Line Items]
Property, Plant and Equipment, Useful Life			1 year
Maximum
Summary Of Significant Accounting Policies [Line Items]
Payment terms			60 days
Warranty period for defects in material and workmanship			48 months
Maximum | Trademarks
Summary Of Significant Accounting Policies [Line Items]
Finite-Lived Intangible Asset, Useful Life			17 years
Maximum | Buildings and building improvements
Summary Of Significant Accounting Policies [Line Items]
Property, Plant and Equipment, Useful Life			39 years
Maximum | Computer equipment and software
Summary Of Significant Accounting Policies [Line Items]
Property, Plant and Equipment, Useful Life			12 years
Maximum | Demonstration units
Summary Of Significant Accounting Policies [Line Items]
Property, Plant and Equipment, Useful Life			3 years
Maximum | Furniture and office equipment
Summary Of Significant Accounting Policies [Line Items]
Property, Plant and Equipment, Useful Life			15 years
Maximum | Machinery, equipment and tooling
Summary Of Significant Accounting Policies [Line Items]
Property, Plant and Equipment, Useful Life			20 years
Maximum | Transportation, vehicles and other
Summary Of Significant Accounting Policies [Line Items]
Property, Plant and Equipment, Useful Life			20 years
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2022-07-03
Summary Of Significant Accounting Policies [Line Items]
Revenue remaining performance obligation, expected timing of satisfaction	1 year		1 year
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2024-07-03 | Minimum
Summary Of Significant Accounting Policies [Line Items]
Revenue remaining performance obligation, expected timing of satisfaction	3 years		3 years
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2027-07-03 | Maximum
Summary Of Significant Accounting Policies [Line Items]
Revenue remaining performance obligation, expected timing of satisfaction	6 years		6 years

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