Annual report pursuant to Section 13 and 15(d)

Note 8 - Long-term Debt (Details Textual)

v3.22.4
Note 8 - Long-term Debt (Details Textual) - USD ($)
$ in Millions
1 Months Ended 12 Months Ended
Oct. 18, 2021
Jan. 31, 2023
Dec. 25, 2022
Line of Credit Facility, Unused Capacity, Commitment Fee Percentage     0.30%
Consolidated Leverage Ratio     2.50%
Debt Instrument, Covenant, Minimum Liquidity     $ 25.0
Amended And Restated Credit Agreement [Member] | Wells Fargo Bank National Association And Other Lenders [Member]      
Debt Instrument, Covenant, Minimum Liquidity $ 25.0    
Debt Instrument, Maturity Date Oct. 18, 2026    
Amended And Restated Credit Agreement [Member] | Wells Fargo Bank National Association And Other Lenders [Member] | Minimum [Member]      
Fixed Charge Coverage Ratio 1.25%    
Consolidated Leverage Ratio for Restricted Junior Payments 2.50%    
Amended And Restated Credit Agreement [Member] | Wells Fargo Bank National Association And Other Lenders [Member] | Maximum [Member]      
Consolidated Leverage Ratio 3.00%    
Senior Credit Facility [Member]      
Long-Term Line of Credit, Total     30.0
Line of Credit Facility, Remaining Borrowing Capacity     $ 105.3
Long-Term Debt, Weighted Average Interest Rate, at Point in Time     5.50%
Letter of Credit [Member]      
Letters of Credit Outstanding, Amount     $ 4.7
Long-Term Debt, Weighted Average Interest Rate, at Point in Time     1.60%
Letter of Credit [Member] | Amended And Restated Credit Agreement [Member] | Subsequent Event [Member]      
Debt Instrument, Increase (Decrease), Net, Total   $ 5.0  
Letter of Credit [Member] | Amended And Restated Credit Agreement [Member] | Wells Fargo Bank National Association And Other Lenders [Member]      
Line of Credit Facility, Maximum Borrowing Capacity $ 10.0    
Revolving Credit Facility [Member] | Amended And Restated Credit Agreement [Member] | Subsequent Event [Member]      
Repayments of Debt   $ 15.0  
Revolving Credit Facility [Member] | Amended And Restated Credit Agreement [Member] | Fed Funds Effective Rate Overnight Index Swap Rate [Member]      
Debt Instrument, Basis Spread on Variable Rate 0.50%    
Revolving Credit Facility [Member] | Amended And Restated Credit Agreement [Member] | London Interbank Offered Rate (LIBOR) [Member]      
Debt Instrument, Basis Spread on Variable Rate 1.00%    
Revolving Credit Facility [Member] | Amended And Restated Credit Agreement [Member] | Minimum [Member] | London Interbank Offered Rate (LIBOR) [Member]      
Debt Instrument, Basis Spread on Variable Rate 1.50%    
Revolving Credit Facility [Member] | Amended And Restated Credit Agreement [Member] | Minimum [Member] | Base Rate [Member]      
Debt Instrument, Basis Spread on Variable Rate 0.50%    
Revolving Credit Facility [Member] | Amended And Restated Credit Agreement [Member] | Maximum [Member] | London Interbank Offered Rate (LIBOR) [Member]      
Debt Instrument, Basis Spread on Variable Rate 2.25%    
Revolving Credit Facility [Member] | Amended And Restated Credit Agreement [Member] | Maximum [Member] | Base Rate [Member]      
Debt Instrument, Basis Spread on Variable Rate 1.25%    
Revolving Credit Facility [Member] | Amended And Restated Credit Agreement [Member] | Wells Fargo Bank National Association And Other Lenders [Member]      
Line of Credit Facility, Maximum Borrowing Capacity $ 140.0    
Revolving Credit Facility [Member] | Amended And Restated Credit Agreement [Member] | Wells Fargo Bank National Association And Other Lenders [Member] | Subject To Satisfaction Of Certain Conditions And Lender Consent [Member]      
Line of Credit Facility, Maximum Borrowing Capacity 200.0    
Swingline Loans [Member] | Amended And Restated Credit Agreement [Member] | Wells Fargo Bank National Association And Other Lenders [Member]      
Line of Credit Facility, Maximum Borrowing Capacity $ 5.0