Quarterly report pursuant to Section 13 or 15(d)

Long-Term Debt (Narrative) (Details)

v3.20.1
Long-Term Debt (Narrative) (Details)
$ in Thousands
3 Months Ended
Mar. 29, 2020
USD ($)
Dec. 29, 2019
USD ($)
Debt Instrument [Line Items]    
Long-term debt $ 25,000 $ 0
Revolving Credit Facility [Member]    
Debt Instrument [Line Items]    
Line of Credit Facility, Maximum Borrowing Capacity $ 25,000  
Debt Instrument, Maturity Date Oct. 30, 2020  
Line of Credit Facility Additional Borrowing Capacity $ 25,000  
Letters of Credit, Borrowing Capacity 5,000  
Long-term debt $ 25,000  
Revolving Credit Facility [Member] | Federal Funds Rate [Member]    
Debt Instrument [Line Items]    
Debt Instrument, Basis Spread on Variable Rate 0.50%  
Revolving Credit Facility [Member] | Base Rate [Member]    
Debt Instrument [Line Items]    
Debt Instrument, Basis Spread on Variable Rate 1.00%  
Maximum [Member] | Revolving Credit Facility [Member]    
Debt Instrument [Line Items]    
Line of credit facility, lease adjusted leverage ratio 3.50  
Minimum [Member] | Revolving Credit Facility [Member]    
Debt Instrument [Line Items]    
Line of credit facility, lease adjusted leverage ratio 1.00