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Restructuring Charges - Narrative (Details) - USD ($)
$ in Thousands
3 Months Ended 5 Months Ended 9 Months Ended 18 Months Ended
Oct. 25, 2022
Sep. 30, 2023
Sep. 24, 2022
Apr. 01, 2023
Sep. 30, 2023
Sep. 24, 2022
Apr. 01, 2023
Restructuring Cost and Reserve [Line Items]              
Restructuring charges   $ 0 $ 6,174   $ 1,835 $ 7,068  
Stock-based Compensation              
Restructuring Cost and Reserve [Line Items]              
Restructuring charges         295    
Employee Severance and Benefits              
Restructuring Cost and Reserve [Line Items]              
Restructuring charges         917    
Contract Termination & Other Costs              
Restructuring Cost and Reserve [Line Items]              
Restructuring charges         233    
Inventory Impairments & Other Inventory Related Costs              
Restructuring Cost and Reserve [Line Items]              
Restructuring charges         390    
Probe Cards              
Restructuring Cost and Reserve [Line Items]              
Restructuring charges   0 5,966   1,357 6,235  
Systems              
Restructuring Cost and Reserve [Line Items]              
Restructuring charges   $ 0 $ 208   $ 478 $ 833  
2022 Restructuring Plan              
Restructuring Cost and Reserve [Line Items]              
Percent of workforce eliminated 13.00%            
Restructuring charges       $ 8,100      
2022 Restructuring Plan | Stock-based Compensation              
Restructuring Cost and Reserve [Line Items]              
Restructuring charges       300      
2022 Restructuring Plan | Corporate, Non-Segment              
Restructuring Cost and Reserve [Line Items]              
Restructuring charges       500      
2022 Restructuring Plan | Probe Cards              
Restructuring Cost and Reserve [Line Items]              
Restructuring charges       7,100      
2022 Restructuring Plan | Systems              
Restructuring Cost and Reserve [Line Items]              
Restructuring charges       $ 500      
2021 Restructuring Plan              
Restructuring Cost and Reserve [Line Items]              
Restructuring charges             $ 13,300
2021 Restructuring Plan | Employee Severance and Benefits              
Restructuring Cost and Reserve [Line Items]              
Restructuring charges             1,400
2021 Restructuring Plan | Contract Termination & Other Costs              
Restructuring Cost and Reserve [Line Items]              
Restructuring charges             2,000
2021 Restructuring Plan | Inventory Impairments & Other Inventory Related Costs              
Restructuring Cost and Reserve [Line Items]              
Restructuring charges             9,400
2021 Restructuring Plan | Other Costs              
Restructuring Cost and Reserve [Line Items]              
Restructuring charges             500
2021 Restructuring Plan | Probe Cards              
Restructuring Cost and Reserve [Line Items]              
Restructuring charges             10,100
2021 Restructuring Plan | Systems              
Restructuring Cost and Reserve [Line Items]              
Restructuring charges             $ 3,200