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Property, Plant and Equipment - Additional Information (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023		Dec. 31, 2022
Property, Plant and Equipment [Line Items]
Depreciation of property, plant and equipment	$ 100,977	$ 92,118		$ 90,763
Machinery and equipment	1,157,784	1,047,235	[1]
Accumulated depreciation	953,890	898,604	[1]
Test Systems Leased By Customers
Property, Plant and Equipment [Line Items]
Machinery and equipment	25,700	5,100
Accumulated depreciation	$ 5,500	$ 4,900
[1] Excludes $9.0 million of property, plant and equipment, net classified as assets held for sale. See Note E: "Dispositions" for additional information.

X

- Definition

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

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 944
-SubTopic 210
-Name Accounting Standards Codification
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- Definition

The amount of expense recognized in the current period that reflects the allocation of the cost of tangible assets over the assets' useful lives. Includes production and non-production related depreciation.

+ References

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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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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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