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Note J - Long-term Debt (Details Textual) - USD ($)
$ / shares in Units, $ in Thousands
12 Months Ended
Jan. 26, 2022
Dec. 15, 2021
Nov. 01, 2017
Mar. 27, 2022
Mar. 28, 2021
Dividends Payable, Amount Per Share (in dollars per share)     $ 5.00    
Payment for Debt Extinguishment or Debt Prepayment Cost       $ 662 $ (0)
Gain (Loss) on Extinguishment of Debt, Total       $ (1,354) $ 0
Senior Notes [Member]          
Debt Instrument, Fixed Charge Coverage Ratio     2.0    
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, Total     $ 150,000    
Debt Instrument, Interest Rate, Stated Percentage     6.625% 6.625% 6.625%
Long-Term Debt, Gross   $ 40,000   $ 110,000 $ 150,000
Debt Instrument, Redemption Price, Percentage of Principal Amount Redeemed   101.656%      
Repayments of Long-Term Debt, Total $ 41,288        
Payment for Debt Extinguishment or Debt Prepayment Cost 662        
Interest Paid, Including Capitalized Interest, Operating and Investing Activities, Total 626        
Gain (Loss) on Extinguishment of Debt, Total 1,354        
Write off of Deferred Debt Issuance Cost $ 692        
Senior Notes [Member] | Senior Secured 2020 Notes [Member]          
Proceeds from Issuance of Long-Term Debt, Total     $ 135,000    
Debt Instrument, Interest Rate, Stated Percentage     10.00%