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Property and Equipment - Components of Property and Equipment (Detail) - USD ($) $ in Thousands	Jan. 02, 2021	Dec. 28, 2019
Property, Plant and Equipment [Line Items]
Total property and equipment	$ 406,647	$ 332,654
Accumulated depreciation	(134,136)	(113,102)
Property and equipment, net	272,511	219,552
Building and building improvements
Property, Plant and Equipment [Line Items]
Total property and equipment	122,310	101,731
Machinery and equipment
Property, Plant and Equipment [Line Items]
Total property and equipment	72,610	58,864
Land
Property, Plant and Equipment [Line Items]
Total property and equipment	57,151	40,216
Aircraft and vehicles
Property, Plant and Equipment [Line Items]
Total property and equipment	33,175	29,934
Computer equipment and software
Property, Plant and Equipment [Line Items]
Total property and equipment	24,693	19,650
Leasehold improvements
Property, Plant and Equipment [Line Items]
Total property and equipment	19,295	15,921
Tooling
Property, Plant and Equipment [Line Items]
Total property and equipment	18,233	15,346
Furniture and office equipment
Property, Plant and Equipment [Line Items]
Total property and equipment	13,567	11,049
Demonstration units
Property, Plant and Equipment [Line Items]
Total property and equipment	1,024	836
Construction-in-progress (CIP)
Property, Plant and Equipment [Line Items]
Total property and equipment	$ 44,589	$ 39,107

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- Definition

Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.

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Amount before accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

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