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Long-Term Debt - Narrative (Details) - USD ($)
3 Months Ended 6 Months Ended
May 09, 2018
Jul. 03, 2018
Jul. 04, 2017
Jul. 03, 2018
Jul. 04, 2017
Jun. 28, 2022
Mar. 30, 2021
Mar. 31, 2020
Apr. 02, 2019
Line of Credit Facility [Line Items]                  
Amount outstanding   $ 65,200,000   $ 65,200,000          
Letters of credit outstanding   3,800,000   3,800,000          
Loss on extinguishment of debt   626,000 $ 0 626,000 $ 0        
Principal repayments through the first quarter of 2019   656,000   656,000          
Principal repayments through the first quarter of 2020   937,000   937,000          
Principal repayments through the first quarter of 2021   1,656,000   1,656,000          
Principal repayments through the first quarter of 2022   61,983,000   $ 61,983,000          
Minimum [Member]                  
Line of Credit Facility [Line Items]                  
Interest rate       4.95%          
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 | Minimum [Member]                  
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 [Member]                  
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 [Member]                  
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                
2018 Credit Facility | Credit Subfacility                  
Line of Credit Facility [Line Items]                  
Maximum borrowing capacity 15,000,000.0                
2018 Credit Facility | 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 2019                 $ 156,250
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