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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% |  |  |
Revenue, remaining performance obligation, expected timing of satisfaction, period |  |  |  |  |  |  |  |  |  |

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