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INCOME TAXES - Narrative (Details) - USD ($) | 3 Months Ended |
--- | --- | ---
Mar. 31, 2021 | Mar. 25, 2020 | Dec. 30, 2020
Income Tax Contingency [Line Items] |  |  |
Effective income tax rate reconciliation (in percentage) | 105.50% | (8.80%) |
Ownership percentage, weighted average | 93.00% | 91.60% |
Deferred tax asset recognized as a result of investment in partnership | $ 10,204,000 |  |
Deferred tax asset related to additional tax basis | 300,000 |  |
Deferred tax assets, valuation allowance | $ 1,260 |  |
Percentage of tax benefits due to equity owners | 85.00% |  |
Percentage of tax benefits expected to be realized | 15.00% |  |
Consolidated Entity, Ownership By Parent, LLC Units Acquired | 29,600 |  |
Establishment of liabilities under tax receivable agreement | $ 1,094,000 | $ 310,000 |
Tax receivable agreement payments to related parties | 0 | $ 6,569,000 |
Liabilities under tax receivable agreement | 234,048,000 |  | $ 232,954,000
Foreign Tax Credit |  |  |
Income Tax Contingency [Line Items] |  |  |
Deferred tax assets, valuation allowance | $ 0 |  |
Limited Liability Company |  |  |
Income Tax Contingency [Line Items] |  |  |
Units acquired during the period (in shares) | 385,449 |  |
Deferred tax asset, investment in partnership | $ 142,867,000 |  |

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