Quarterly report pursuant to Section 13 or 15(d)

Note 6 - Shareholders' Equity (Details Textual)

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Note 6 - Shareholders' Equity (Details Textual) - USD ($)
$ / shares in Units, $ in Thousands
9 Months Ended
Sep. 25, 2022
Aug. 05, 2022
May 06, 2022
Jan. 06, 2022
Oct. 31, 2019
Dividends Payable, Amount Per Share (in dollars per share)   $ 0.14 $ 0.14 $ 0.12  
Dividends Payable   $ 4,854 $ 4,680 $ 4,109  
Restricted Stock [Member]          
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number, Ending Balance (in shares) 694,469        
Restricted Stock Units (RSUs) [Member]          
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number, Ending Balance (in shares) 79,143        
Performance Shares [Member]          
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number, Ending Balance (in shares) 205,769        
Quarterly Dividend Declared [Member]          
Dividends Payable, Amount Per Share (in dollars per share) $ 0.14        
Dividends Payable $ 4,700        
The 2019 Share Repurchase Plan [Member]          
Stock Repurchase Program, Authorized Amount         $ 60,000
Stock Repurchased and Retired During Period, Shares (in shares) 828,348        
Stock Repurchased and Retired During Period, Value $ 14,900        
Stock Repurchased and Retired During Period, Average Price Per Share (in dollars per share) $ 17.99        
Stock Repurchase Program, Remaining Authorized Repurchase Amount $ 54,600