NON-CONTROLLING INTERESTS - Schedule of Effects Changes in Ownership in Portillo's OpCo on the Company’s Equity (Details) - USD ($) $ in Thousands |
3 Months Ended | |
|---|---|---|
Mar. 30, 2025 |
Mar. 31, 2024 |
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| Noncontrolling Interest [Abstract] | ||
| Net income attributable to Portillo's Inc. | $ 3,313 | $ 4,562 |
| Transfers from (to) non-controlling interests: | ||
| Activity under equity-based compensation plans | 652 | 813 |
| Non-controlling interest adjustment | 182 | 46,475 |
| Redemption of LLC Units | 0 | (58) |
| Establishment of liabilities under Tax Receivable Agreement and related changes to deferred tax assets associated with increases in tax basis | 0 | (15,913) |
| Total effect of changes in ownership interest on equity attributable to Portillo's Inc. | $ 4,147 | $ 35,879 |
| X | ||||||||||
- Definition Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Changes, Changes In Tax Basis No definition available.
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| X | ||||||||||
- Definition Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Changes, Shares Issued For Equity Based Compensation Plans No definition available.
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| X | ||||||||||
- Definition This element represents the total net income attributable to the parent for the period and the effect of net changes during the period impacting the parent's ownership interest in a subsidiary as it relates to the total (consolidated) equity attributable to the parent. The changes to the parent's ownership interest in a subsidiary represented by this element did not result in a deconsolidation of the subsidiary from the consolidated financial statements. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Represents a sale (new stock issuance) by a subsidiary to noncontrolling interests (third parties, parties directly or indirectly unrelated to parent) during the period. The capital transaction by subsidiary does not result in a loss of control by the parent, but does effect a change in total (consolidated) equity attributable to the parent. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- References No definition available.
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| X | ||||||||||
- Definition Represents the repurchase of equity (treasury stock) by a subsidiary during the period, thereby effecting a change in total (consolidated) equity attributable to the parent; but not deconsolidation by the parent. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition The portion of profit or loss for the period, net of income taxes, which is attributable to the parent. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- References No definition available.
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