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Note M - Guaranty and Other Commitments and Contingencies (Details Textual) - Property Lease Guarantee [Member]
$ in Thousands
 12 Months Ended
Mar. 27, 2022
USD ($)
Guarantor Obligations, Termination Fee $ 75
Other Commitment, Allocation of Termination Fee, Parent [Member]  
Guarantor Obligations, Termination Fee, Percent 50.00%
Other Commitment, Allocation of Termination Fee, Subsidiary [Member]  
Guarantor Obligations, Termination Fee, Percent 50.00%