Restructuring Charges - Narrative (Details) - USD ($) $ in Thousands		3 Months Ended		5 Months Ended	18 Months Ended
	Oct. 25, 2022	Apr. 01, 2023	Mar. 26, 2022	Apr. 01, 2023	Apr. 01, 2023
Restructuring Cost and Reserve [Line Items]
Restructuring charges		$ 1,217	$ 313
Stock-based Compensation
Restructuring Cost and Reserve [Line Items]
Restructuring charges		295
Employee Severance and Benefits
Restructuring Cost and Reserve [Line Items]
Restructuring charges		842
Inventory Impairments & Other Inventory Related Costs
Restructuring Cost and Reserve [Line Items]
Restructuring charges		80
Probe Cards
Restructuring Cost and Reserve [Line Items]
Restructuring charges		1,134	42
Systems
Restructuring Cost and Reserve [Line Items]
Restructuring charges		$ 83	$ 271
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					$ 12,700
2021 Restructuring Plan \| Employee Severance and Benefits
Restructuring Cost and Reserve [Line Items]
Restructuring charges					1,300
2021 Restructuring Plan \| Contract Termination & Other Costs
Restructuring Cost and Reserve [Line Items]
Restructuring charges					1,800
2021 Restructuring Plan \| Inventory Impairments & Other Inventory Related Costs
Restructuring Cost and Reserve [Line Items]
Restructuring charges					9,100
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					9,900
2021 Restructuring Plan \| Systems
Restructuring Cost and Reserve [Line Items]
Restructuring charges					$ 2,800