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Long-Term Debt - Narrative (Details) - USD ($)
3 Months Ended 9 Months Ended
May 09, 2018
Oct. 01, 2019
Oct. 02, 2018
Oct. 01, 2019
Oct. 02, 2018
Jun. 28, 2022
Mar. 30, 2021
Mar. 31, 2020
Line of Credit Facility [Line Items]                
Amount outstanding   $ 44,400,000   $ 44,400,000        
Unamortized debt issuance costs   1,300,000   1,300,000        
Letters of credit outstanding   3,200,000   3,200,000        
Loss on extinguishment of debt   0 $ 0 0 $ 626,000      
Principal repayments through the first quarter of 2019   1,125,000   1,125,000        
Principal repayments through the first quarter of 2020   1,813,000   1,813,000        
Principal repayments through the first quarter of 2021   41,451,000   $ 41,451,000        
Minimum                
Line of Credit Facility [Line Items]                
Interest rate       5.34%        
Maximum [Member]                
Line of Credit Facility [Line Items]                
Interest rate       7.25%        
2018 Term Loan Facility | Revolving Credit Facility                
Line of Credit Facility [Line Items]                
Maximum borrowing capacity $ 25,000,000.0              
2018 Credit Facility                
Line of Credit Facility [Line Items]                
Principal repayments through the first quarter of 2019   $ 156,250   $ 156,250        
2018 Credit Facility | Minimum                
Line of Credit Facility [Line Items]                
Commitment fee percentage 0.30%              
2018 Credit Facility | Maximum [Member]                
Line of Credit Facility [Line Items]                
Commitment fee percentage 0.50%              
2018 Credit Facility | LIBOR | Minimum                
Line of Credit Facility [Line Items]                
Basis spread on variable rate 2.25%              
2018 Credit Facility | LIBOR | Maximum [Member]                
Line of Credit Facility [Line Items]                
Basis spread on variable rate 3.25%              
2018 Credit Facility | Base Rate | Minimum                
Line of Credit Facility [Line Items]                
Basis spread on variable rate 1.25%              
2018 Credit Facility | Base Rate | Maximum [Member]                
Line of Credit Facility [Line Items]                
Basis spread on variable rate 2.25%              
2018 Credit Facility | Federal Funds Rate                
Line of Credit Facility [Line Items]                
Basis spread on variable rate 0.50%              
2018 Credit Facility | Prime Rate                
Line of Credit Facility [Line Items]                
Basis spread on variable rate 1.00%              
2018 Credit Facility | Revolving Credit Facility                
Line of Credit Facility [Line Items]                
Maximum borrowing capacity $ 65,000,000.0              
2018 Credit Facility | Letter of Credit                
Line of Credit Facility [Line Items]                
Maximum borrowing capacity 75,000,000.0              
Two Thousand and Eighteen Credit Subfacility                
Line of Credit Facility [Line Items]                
Maximum borrowing capacity 15,000,000.0              
Two Thousand and Eighteen Swingline Subfacility                
Line of Credit Facility [Line Items]                
Maximum borrowing capacity $ 10,000,000.0              
Prior Credit Facility | Letter of Credit                
Line of Credit Facility [Line Items]                
Loss on extinguishment of debt         $ (600,000)      
Scenario, Forecast                
Line of Credit Facility [Line Items]                
Principal repayments through the first quarter of 2020               $ 187,500
Principal repayments through the first quarter of 2021             $ 375,000  
Principal repayments through the first quarter of 2022           $ 531,250