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Property, Plant and Equipment - Property, Plant and Equipment (Detail) - USD ($) $ in Thousands	Sep. 30, 2022	Dec. 31, 2021
Property, Plant and Equipment [Abstract]
Engineering and other equipment	$ 162,445	$ 134,771
Building	80,807	68,157
Computer hardware and software	79,990	72,274
Building and land improvements	40,132	35,578
Furniture and fixtures	20,891	19,917
Land	5,298	4,575
Other assets	4,835
Total property, plant and equipment	394,398	335,272
Less: accumulated depreciation	(289,821)	(279,506)
Total property, plant and equipment, net	$ 104,577	$ 55,766

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Amount before accumulated depreciation of building structures held for productive use.

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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 of building structures held for productive use including addition, improvement, or renovation to the structure, including, but not limited to, interior masonry, interior flooring, electrical, and plumbing.

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Amount before accumulated amortization of capitalized costs for computer software, including but not limited to, acquired and internally developed computer software.

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Amount before accumulated depreciation of equipment commonly used in offices and stores that have no permanent connection to the structure of a building or utilities. Examples include, but are not limited to, desks, chairs, tables, and bookcases.

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Amount before accumulated depletion of real estate held for productive use, excluding land held for sale.

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Amount before accumulated depreciation of tangible personal property used to produce goods and services, including, but is not limited to, tools, dies and molds, computer and office equipment.

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