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Stockholders' Equity (Details) - USD ($) $ / shares in Units, $ in Thousands | 9 Months Ended | 12 Months Ended |  |  |  |  |
--- | --- | --- | --- | --- | --- | --- | ---
Sep. 27, 2025 | Sep. 28, 2024 | Dec. 28, 2024 | Jun. 05, 2025 | Jun. 04, 2025 | Mar. 11, 2025 | Feb. 29, 2024 | Feb. 27, 2024
ATM Equity Offering [Line Items] |  |  |  |  |  |  |  |
Proceeds from issuance of common stock, net of issuance costs | $ 0 | $ 19,359 |  |  |  |  |  |
Credit Agreement, Amendment No. 1, Warrants |  |  |  |  |  |  |  |
ATM Equity Offering [Line Items] |  |  |  |  |  |  |  |
Shares of common stock called by warrants (in shares) |  |  |  |  |  | 1,840,503 |  |
Common stock called by warrants, percentage of common stock outstanding |  |  |  |  |  | 6.00% |  |
Warrant exercise price (in dollars per share) |  |  |  |  |  | $ 0.01 |  |
Warrants and rights outstanding |  |  |  |  |  | $ 11,600 |  |
Credit Agreement, Amendment No. 3, Warrants |  |  |  |  |  |  |  |
ATM Equity Offering [Line Items] |  |  |  |  |  |  |  |
Shares of common stock called by warrants (in shares) |  |  |  | 1,556,323 |  |  |  |
Common stock called by warrants, percentage of common stock outstanding |  |  |  |  | 5.00% |  |  |
Warrant exercise price (in dollars per share) |  |  |  | $ 0.01 |  |  |  |
Warrants and rights outstanding |  |  |  | $ 5,200 |  |  |  |
ATM Equity Offering Sales Agreement ("ATM Agreement") |  |  |  |  |  |  |  |
ATM Equity Offering [Line Items] |  |  |  |  |  |  |  |
Common Stock, Shares, Sold |  |  | 1,900,000 |  |  |  |  |
Proceeds from issuance of common stock, net of issuance costs |  |  | $ 19,300 |  |  |  |  |
Payments of Stock Issuance Costs |  |  | $ 1,100 |  |  |  |  |
BofA Securities, Inc. ("BofA") | ATM Equity Offering Sales Agreement ("ATM Agreement") |  |  |  |  |  |  |  |
ATM Equity Offering [Line Items] |  |  |  |  |  |  |  |
Commission percentage of aggregate gross sale proceeds |  |  |  |  |  |  |  | 3.00%
BofA Securities, Inc. ("BofA") | ATM Equity Offering Sales Agreement ("ATM Agreement") |  |  |  |  |  |  |  |
ATM Equity Offering [Line Items] |  |  |  |  |  |  |  |
Common Stock, Value Of Shares, Maximum |  |  |  |  |  |  | $ 100,000 |

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