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Schedule of Segment Reporting Information by Segment Charges (Detail) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Segment Reporting Information [Line Items]      
Restructuring and other—employee severance $ 17,185 $ 9,312 $ (13,202)
Restructuring and other—gain on sale of asset 3,410 0 0
Other (income) expense, net—loss on convertible debt conversion 5,786 (24,572) (9,192)
Restructuring and other—AutoGuide contingent consideration adjustment 0 (7,227) (23,271)
Mobile Industrial Robots (MiR)      
Segment Reporting Information [Line Items]      
Restructuring and other—AutoGuide contingent consideration adjustment   7,200  
Semiconductor Test      
Segment Reporting Information [Line Items]      
Cost of revenues—inventory charge 21,456 6,661 11,013
Contract termination settlement fee     4,000
Restructuring and other—acquisition related expenses and compensation   500 2,500
Restructuring and other—environmental and legal liabilities   2,500  
Restructuring and other—AutoGuide contingent consideration adjustment     3,500
System Test      
Segment Reporting Information [Line Items]      
Cost of revenues—inventory charge 1,730 641 887
Robotics      
Segment Reporting Information [Line Items]      
Cost of revenues—inventory charge 3,668 6,403 834
Restructuring and other—employee severance 2,115 1,210 1,584
Restructuring and other—acquisition related expenses and compensation   1,000 985
Wireless Test      
Segment Reporting Information [Line Items]      
Cost of revenues—inventory charge 4,598 1,770 4,800
Corporate And Eliminations | Restructuring and other      
Segment Reporting Information [Line Items]      
Restructuring and other—acquisition related expenses and compensation   (513) 1,728
Restructuring and other—legal settlement charge 14,700 12,000  
Restructuring and other—environmental and legal liabilities 2,700 1,971  
Restructuring and other—gain on sale of asset $ (3,410)    
Other (income) expense, net—loss on convertible debt conversion   28,828  
Corporate And Eliminations | Selling, general and administrative expenses      
Segment Reporting Information [Line Items]      
Selling and administrative—equity modification charge     766
Corporate And Eliminations | Mobile Industrial Robots (MiR) | Restructuring and other      
Segment Reporting Information [Line Items]      
Restructuring and other—AutoGuide contingent consideration adjustment   $ (7,227) (19,724)
Restructuring and other—MiR contingent consideration adjustment     $ (3,546)