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FAIR VALUE MEASUREMENTS (Tables) | 3 Months Ended
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Mar. 31, 2021
Fair Value Disclosures [Abstract] |
Schedule of Assets Measured On A Recurring Basis | Our assets measured at fair value on a recurring basis as of March 31, 2021 and December 30, 2020 were as follows:
|  |  | Fair Value Measurements
|  |  | March 31 2021 | December 30 2020
|  |  | Level 1 | Level 1
Equity securities: |  |  |
| Mutual funds |  | $ | 40,914 |  | $ | 36,887 |
Total Marketable securities |  | $ | 40,914 |  | $ | 36,887 |

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- Definition Tabular disclosure of assets and liabilities, classified as other. + References No definition available. + Details
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