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Note J - Long-term Debt (Details Textual) - USD ($)
$ / shares in Units, $ in Thousands
12 Months Ended
Mar. 21, 2023
Feb. 14, 2023
Jan. 26, 2022
Dec. 15, 2021
Nov. 01, 2017
Mar. 26, 2023
Mar. 27, 2022
Dividends Payable, Amount Per Share         $ 5.00    
Debt Instrument, Fixed Charge Coverage Ratio         2.0    
Payment for Debt Extinguishment or Debt Prepayment Cost           $ (0) $ 662
Gain (Loss) on Extinguishment of Debt           $ (357) $ (1,354)
Senior Notes [Member]              
Debt Instrument, Priority Secured Leverage Ratio         0.40    
Debt Instrument Secured Leverage Ratio         3.75    
Debt Instrument, Event of Default, Percentage Ownership Enabling the Declaration of Due and Payable         25.00%    
Senior Notes [Member] | In the Event of Chang of Control Offer [Member]              
Debt Instrument, Redemption Price, Percentage         101.00%    
Senior Notes [Member] | In the Event the Company Sells Certain Assets and Fails to Use the Proceeds as Required [Member]              
Debt Instrument, Redemption Price, Percentage         100.00%    
Senior Notes [Member] | Senior Secured 2025 Notes [Member]              
Proceeds from Issuance of Long-Term Debt         $ 150,000    
Debt Instrument, Interest Rate, Stated Percentage         6.625% 6.625% 6.625%
Long-Term Debt, Gross   $ 30,000   $ 40,000   $ 80,000 $ 110,000
Debt Instrument, Redemption Price, Percentage of Principal Amount Redeemed   100.00%   101.656%      
Repayments of Long-Term Debt $ 30,773   $ 41,288        
Payment for Debt Extinguishment or Debt Prepayment Cost 773   662        
Gain (Loss) on Extinguishment of Debt $ 357   1,354        
Interest Paid, Including Capitalized Interest, Operating and Investing Activities     626        
Deferred Debt Issuance Cost, Writeoff     $ 692        
Senior Notes [Member] | Senior Secured 2020 Notes [Member]              
Proceeds from Issuance of Long-Term Debt         $ 135,000    
Debt Instrument, Interest Rate, Stated Percentage         10.00%