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DEBT - Narrative (Details) - USD ($)
3 Months Ended
Dec. 14, 2020
Mar. 27, 2022
Mar. 28, 2021
Dec. 26, 2021
Debt Instrument [Line Items]        
Unamortized loan origination fees   $ 100,000   $ 100,000
Interest expense (less than)   100,000 $ 100,000  
Revolving Credit Facility | Line of Credit        
Debt Instrument [Line Items]        
Borrowing capacity $ 35,000,000      
Floor rate 3.75%      
Outstanding balance   $ 0   $ 0
Revolving Credit Facility | Line of Credit | Delayed Draw Term Loan Facility        
Debt Instrument [Line Items]        
Borrowing capacity $ 10,000,000      
Revolving Credit Facility | Line of Credit | London Interbank Offered Rate        
Debt Instrument [Line Items]        
Adjustable rate 2.90%