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Nature of Operations and Summary of Significant Accounting Policies - Narrative (Details) $ in Thousands	1 Months Ended	3 Months Ended			6 Months Ended		7 Months Ended	12 Months Ended	15 Months Ended
	May 31, 2025 USD ($)	Jun. 28, 2025 USD ($)	Jun. 29, 2024 USD ($)	Apr. 02, 2022	Jun. 28, 2025 USD ($) segment	Jun. 29, 2024 USD ($)	Jun. 28, 2025 USD ($)	Jan. 01, 2022 USD ($)	Apr. 02, 2022	Dec. 28, 2024 USD ($)
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Number of reportable segments | segment					3
Bank guarantees, expiration period (in months)					12 months
Revenue recognized		$ 13,238	$ 23,473		$ 30,797	$ 57,139
Revenue, remaining performance obligation, amount		34,055			34,055		$ 34,055
Proceeds from sale of property, plant, and equipment					$ 166	$ 1,302
Banker's acceptance drafts, maturity period (in months)					6 months
Banker's acceptance drafts		6,287			$ 6,287		6,287			$ 5,299
CHINA | Land and Building
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Proceeds from sale of property, plant, and equipment								$ 25,159
Down payment percentage									31.00%
Period of recognition of gain on sale and a receivable for remaining amount of sales proceeds (in years)				2 years
Amount of receivable settled by government	$ 1,383						1,383
Nontrade receivables, current		$ 13,942			$ 13,942		$ 13,942
Certain Capital Contracts
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Lead time for for certain capital contracts (up to) (in months)					24 months
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2025-06-29
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Revenue, remaining performance obligation, percent		51.00%			51.00%		51.00%
Revenue, remaining performance obligation, expected timing of satisfaction, period		12 months			12 months		12 months
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2026-06-29
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Revenue, remaining performance obligation, percent		49.00%			49.00%		49.00%
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