Annual report pursuant to Section 13 and 15(d)

Note 8 - Long-term Debt (Details Textual)

v3.21.2
Note 8 - Long-term Debt (Details Textual)
$ in Thousands
1 Months Ended 12 Months Ended
Aug. 28, 2020
USD ($)
Apr. 27, 2020
Nov. 19, 2019
USD ($)
Oct. 08, 2018
USD ($)
Dec. 31, 2020
USD ($)
Oct. 02, 2021
USD ($)
Oct. 03, 2020
USD ($)
Sep. 28, 2019
Rate
Sep. 30, 2021
Sep. 30, 2020
Jan. 02, 2019
Repayments of Long-term Debt, Total           $ 463,092 $ 431,932        
Promissory Note [Member]                      
Debt Instrument, Face Amount       $ 7,000              
Debt Instrument, Interest Rate, Stated Percentage                     6.00%
Debt Instrument Discounted Value           600          
Term Loan Established December 2020 [Member]                      
Debt Instrument, Interest Rate, Stated Percentage                 7.50%    
Term Loan Established December 2020 [Member] | Banco Ficohsa [Member]                      
Debt Instrument, Term (Year)         5 years            
Repayments of Long-term Debt, Total         $ 1,100            
Revolving Credit Facility [Member] | Line of Credit [Member] | Banco Ficohsa [Member]                      
Debt Instrument, Interest Rate, Stated Percentage                 7.25% 7.70%  
Debt Instrument, Term (Year)         5 years            
Repayments of Long-term Debt, Total         $ 9,500            
Amended Credit Agreement [Member] | Revolving Credit Facility [Member]                      
Line of Credit Facility, Maximum Borrowing Capacity $ 170,000   $ 170,000 $ 145,000              
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     $ 10,000                
Line Of Credit Facility Maximum Capacity For Capital Leases 25,000                    
Line of Credit Facility Including Additional Borrowing Capacity Maximum $ 200,000                    
Long-term Line of Credit, Total           $ 98,600          
Line of Credit Facility, Interest Rate During Period           3.10%          
Line of Credit Facility, Remaining Borrowing Capacity           $ 45,300          
Amended Credit Agreement [Member] | Revolving Credit Facility [Member] | Fed Funds Effective Rate Overnight Index Swap Rate [Member]                      
Debt Instrument, Basis Spread on Variable Rate 1.00%                    
Amended Credit Agreement [Member] | Revolving Credit Facility [Member] | London Interbank Offered Rate (LIBOR) [Member]                      
Debt Instrument, Basis Spread on Variable Rate 1.00%                    
Amended Credit Agreement [Member] | Revolving Credit Facility [Member] | Minimum [Member]                      
Line of Credit Facility, Periodic Payment $ 200                    
Line of Credit Facility, Commitment Fee Percentage 0.25%                    
Amended Credit Agreement [Member] | Revolving Credit Facility [Member] | Maximum [Member]                      
Line of Credit Facility, Periodic Payment $ 300                    
Line of Credit Facility, Commitment Fee Percentage 0.375%                    
Amended Credit Agreement [Member] | Letter of Credit [Member]                      
Debt Covenant Fixed Charge Coverage Ratio Term (Month)   12 months           12 months      
Fixed Charge Coverage Ratio   1.1                  
Debt Instrument, Covenant, Additional Aged Receivable Period (Day) 30 days                    
Debt Instrument, Covenant, Advance Rate of Real Estate Assets 70.00%                    
Debt Instrument, Covenant, Additional Applicable Margin 0.50%                    
Fixed Charge Coverage Ratio (Rate) | Rate               110.00%      
Debt Instrument, Covenant, Percentage of Borrowing Rate or Commitment, Availability for Stock Repurchase or Dividends       15.00%              
Debt Instrument, Covenant, Number of Preceding Days for Average Availability of Percentage for Stock Repurchases and Dividends       30              
Debt Instrument, Covenant, Maximum Amount Plus 50% of Cumulative Net Income For Dividends and Stock Repurchases       $ 10,000              
Retained Earnings Amount Available For Dividends And Stock Repurchases           $ 19,000 $ 8,800        
Amended Credit Agreement [Member] | Letter of Credit [Member] | Minimum [Member]                      
LIBOR Floor Rate 1.00% 1.00%