Schedule of Segment Information (Parenthetical) (Detail) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Segment Reporting Information [Line Items]
Assets held for sale	$ 11,531	$ 0
Semiconductor Test \| Operating Segments
Segment Reporting Information [Line Items]
Assets held for sale	$ 34,800	$ 34,800	$ 34,800

Amount classified as assets attributable to disposal group held for sale or disposed of.

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