Quarterly report pursuant to Section 13 or 15(d)

Note F - Debt (Details Textual)

v3.20.2
Note F - Debt (Details Textual)
$ in Millions
1 Months Ended 7 Months Ended 9 Months Ended
Nov. 19, 2019
USD ($)
Mar. 31, 2011
Mar. 31, 2011
Apr. 27, 2020
Jun. 27, 2020
USD ($)
Sep. 28, 2019
USD ($)
Jan. 02, 2019
Oct. 08, 2018
USD ($)
Promissory Note [Member]                
Debt Instrument, Face Amount               $ 7.0
Debt Instrument, Interest Rate, Stated Percentage             6.00%  
Debt Instrument Discounted Value         $ 3.5      
Amended Credit Agreement [Member] | Revolving Credit Facility [Member]                
Line of Credit Facility, Maximum Borrowing Capacity $ 170.0             $ 145.0
Debt Instrument, Increase (Decrease) in FILO Borrowing Component (0.25%)              
Debt Instrument, Increase (Decrease) in Fair Market of Eligible Intellectual Property 25.00%              
Debt Instrument, Fixed Coverage Charge Ratio, Exclusion of Capital Expenditures $ 10.0              
Line Of Credit Facility Maximum Capacity For Capital Leases 25.0              
Line of Credit Facility Including Additional Borrowing Capacity Maximum $ 200.0              
Long-term Line of Credit, Total         $ 106.5      
Line of Credit Facility, Interest Rate During Period         2.90%      
Line of Credit Facility, Remaining Borrowing Capacity         $ 45.7      
Amended Credit Agreement [Member] | Letter of Credit [Member]                
Debt Covenant Fixed Charge Coverage Ratio Term (Month)       12 months        
Fixed Charge Coverage Ratio       1.1        
Retained Earnings Amount Available For Dividends And Stock Repurchases         $ 6.3 $ 16.1    
Amended Credit Agreement [Member] | Letter of Credit [Member] | Minimum [Member]                
LIBOR Floor Rate       1.00%        
Debt with Banco Ficohsa [Member] | Revolving Credit Facility [Member]                
Debt Instrument Periodic Payment Term (Month)     6 months          
Debt with Banco Ficohsa [Member] | Revolving Credit Facility [Member] | Minimum [Member]                
Debt Instrument, Term (Month)   12 months            
Debt with Banco Ficohsa [Member] | Revolving Credit Facility [Member] | Maximum [Member]                
Debt Instrument, Term (Month)     18 months