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v3.25.2

NON-CONTROLLING INTERESTS - Narrative (Details) | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 29, 2025 shares | Jun. 30, 2024 | Jun. 29, 2025 | Jun. 30, 2024
Noncontrolling Interest [Line Items] |  |  |  |
Redemption of LLC Interests (in shares) | 7,290,465 |  |  |
Common Class B |  |  |  |
Noncontrolling Interest [Line Items] |  |  |  |
Redemption of LLC Interests (in shares) | 7,290,465 |  |  |
Portillo's Inc. |  |  |  |
Noncontrolling Interest [Line Items] |  |  |  |
Redemption ratio | 1 |  | 1 |
Portillo's Opco |  |  |  |
Noncontrolling Interest [Line Items] |  |  |  |
Weighted average ownership percentage | 9.90% | 15.90% | 12.20% | 18.70%

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