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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details Textual) $ in Millions | 3 Months Ended |
--- | --- | ---
Mar. 28, 2021 USD ($) segment | Mar. 29, 2020 | Dec. 27, 2020 USD ($)
Summary Of Significant Accounting Policies [Line Items] |  |  |
Accumulated depreciation and amortization, property, plant, and equipment | $ 4.5 |  | $ 4.3
Deposit contracts, assets | $ 3.8 |  |
Number of reportable segments | segment | 3 |  |
Effective income tax rate reconciliation, percent | 16.80% | 31.90% |
Operating loss carryforwards | $ 6.5 |  |
Goodwill, expected tax deductible amount | $ 33.1 |  |
Minimum |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |
Renewal term | 3 years |  |
Useful life | 3 years |  |
Maximum |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |
Renewal term | 10 years |  |
Useful life | 10 years |  |

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