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SUPPLEMENTAL BALANCE SHEET INFORMATION (Details) - USD ($)
$ in Thousands
Mar. 31, 2021
Dec. 30, 2020
Supplemental Balance Sheet Disclosures [Abstract]    
Finance Lease, Liability, Current $ 2,445 $ 1,998
Other Liabilities, Current    
Sales tax payable 4,045 4,285
Gift card liability 2,600 2,637
Other 5,997 5,280
Other current liabilities $ 15,087 $ 14,200