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Schedule of Segment Information (Parenthetical) (Detail) - USD ($) $ in Thousands	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
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Assets held for sale	$ 0	$ 11,531
Semiconductor Test | Operating Segments
Segment Reporting Information [Line Items]
Assets held for sale	$ 34,800	$ 34,800	$ 34,800

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