Schedule of Segment Reporting Information by Segment Charges (Detail) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2024	Apr. 02, 2023
Segment Reporting Information [Line Items]
Restructuring and other—employee severance	$ 4,427	$ 2,037
Semiconductor Test
Segment Reporting Information [Line Items]
Cost of revenues—inventory charge	4,956	3,768
Restructuring and other—employee severance	983	794
System Test
Segment Reporting Information [Line Items]
Cost of revenues—inventory charge	0	675
Robotics
Segment Reporting Information [Line Items]
Cost of revenues—inventory charge	0	782
Corporate And Eliminations
Segment Reporting Information [Line Items]
Restructuring and other-acquisition & divestiture related expenses	2,214	0
Selling and administrative-equity modification	1,469	5,889
Restructuring and other—employee severance	$ 0	$ 659

Cost of revenues-provision for excess and obsolete inventory.

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Balance Type:	debit
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- Definition

Selling and administrative equity modification charge.

+ References

No definition available.

+ Details

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- Definition

This element represents acquisition-related costs incurred to effect a business combination which costs have been expensed during the period. Such costs include finder's fees; advisory, legal, accounting, valuation, and other professional or consulting fees; general administrative costs, including the costs of maintaining an internal acquisitions department; and may include costs of registering and issuing debt and equity securities.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 805
-SubTopic 10
-Section 25
-Paragraph 23
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479405/805-10-25-23

+ Details

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Balance Type:	debit
Period Type:	duration

- Definition

Amount of restructuring charges, remediation cost, and asset impairment loss.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 220
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.3)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147483621/220-10-S99-2

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- Definition

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

No definition available.

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- Details

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