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FAIR VALUE MEASUREMENTS (Tables)
3 Months Ended
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 1Level 1
Equity securities:
Mutual funds$40,914 $36,887 
Total Marketable securities$40,914 $36,887