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STOCK - BASED COMPENSATION - Narrative (Details) - USD ($) $ / shares in Units, $ in Thousands | 1 Months Ended | 3 Months Ended
--- | --- | ---
Oct. 31, 2021 | Mar. 29, 2026 | Mar. 30, 2025
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Total stock-based compensation |  | $ 5,804 | $ 10,221
Weighted average grant date fair value of options (in dollars per share) |  | $ 3.70 | $ 11.99
Options modified |  | 924,097 |
Stock Options |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Contractual life |  | 10 years |
Total stock-based compensation |  | $ 3,641 | $ 2,618
Incremental cost |  | 1,400 |
Unrecognized compensation expense |  | $ 19,400 |
Expected period for recognition |  | 2 years 4 months 28 days |
PSUs |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Total stock-based compensation |  | $ 659 | 3,395
Shares granted (in shares) | 6,300,000 |  |
Outstanding shares |  | 4,500,000 |
PSUs | Founder One |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Shares granted (in shares) | 2,100,000 |  |
PSUs | Founder Two |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Shares granted (in shares) | 2,100,000 |  |
PSUs | Founder Three |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Shares granted (in shares) | 2,100,000 |  |
RSUs |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Total stock-based compensation |  | $ 1,504 | $ 4,208
Incremental cost |  | 200 |
Unrecognized compensation expense |  | $ 9,400 |
Expected period for recognition |  | 2 years 9 months 25 days |
Fair value of shares earned |  | $ 700 |
Shares granted (in shares) |  | 740,958 | 181,377
Minimum | Stock Options |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Vesting period |  | 12 months |
Maximum | Stock Options |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Vesting period |  | 4 years |

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