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FAIR VALUE - Narrative (Details) $ / shares in Units, $ in Thousands |  | 3 Months Ended | 9 Months Ended | 49 Months Ended |
--- | --- | --- | --- | --- | ---
Sep. 07, 2021 USD ($) milestone $ / shares shares | Sep. 28, 2025 USD ($) store $ / shares | Sep. 29, 2024 USD ($) | Sep. 28, 2025 USD ($) store $ / shares | Sep. 29, 2024 USD ($) | Sep. 28, 2025 USD ($) $ / shares | Dec. 29, 2024 USD ($)
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |  |  |  |  |  |
Performance based milestone targets | milestone | 3 |  |  |  |  |  |
Tangible Asset Impairment Charges, Stores Impaired | store |  | 4 |  | 9 |  |  |
Asset impairment charges |  | $ 9,600 |  | $ 9,600 |  |  |
Non-cash impairment charges |  | 4,311 | $ 8,000 | 7,996 | $ 8,000 |  |
Recurring |  |  |  |  |  |  |
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |  |  |  |  |  |
Contingent consideration |  | 5,908 |  | $ 5,908 |  | $ 5,908 | $ 14,974
Recurring | Other Current Liabilities |  |  |  |  |  |  |
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |  |  |  |  |  |
Contingent consideration |  |  |  |  |  |  | 9,700
Recurring | Contingent consideration |  |  |  |  |  |  |
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |  |  |  |  |  |
Contingent consideration |  |  |  |  |  |  | $ 5,300
IPO |  |  |  |  |  |  |
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |  |  |  |  |  |
Shares issued (in dollars per share) | $ / shares | $ 28.00 |  |  |  |  |  |
Spyce |  |  |  |  |  |  |
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |  |  |  |  |  |
Additional shares issued, value | $ 20,000 |  |  |  |  |  |
Additional shares issued (in shares) | shares | 714,285 |  |  |  |  |  |
Contingent consideration | $ 16,400 |  |  |  |  |  |
Spyce | Former Equity Holders, Additional Equity | Milestone One |  |  |  |  |  |  |
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |  |  |  |  |  |
Business combination, contingent consideration, liability, earnout |  | $ 6,000 |  |  |  |  |
Business acquisition, share price (in dollars per share) | $ / shares |  | $ 10.20 |  | $ 10.20 |  | $ 10.20 |
Business combination, contingent consideration, liability, equity interests issued and issuable, earnout |  | $ 2,100 |  |  |  | $ 6,800 |
Business combination, contingent consideration, liability, cash, earnout |  | 3,900 |  |  |  | 16,600 |
Spyce | Former Equity Holders, Additional Equity | Milestone Two |  |  |  |  |  |  |
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |  |  |  |  |  |
Business combination, contingent consideration, liability, earnout |  | $ 7,000 |  |  |  | $ 23,400 |
Business acquisition, share price (in dollars per share) | $ / shares |  | $ 19.40 |  | $ 19.40 |  | $ 19.40 |
Business combination, contingent consideration, liability, equity interests issued and issuable, earnout |  | $ 4,700 |  |  |  |  |
Business combination, contingent consideration, liability, cash, earnout |  | $ 2,300 |  |  |  |  |

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