Note K - Income Taxes (Details Textual) - USD ($)	9 Months Ended
	Dec. 29, 2019	Dec. 23, 2018
Effective Income Tax Rate Reconciliation, Percent, Total	26.10%	27.80%
Effective Income Tax Rate, Effect of Stock Compensation	1.60%	0.20%
Share-based Payment Arrangement, Expense, Tax Benefit	$ 228,000	$ 47,000
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent	27.80%	28.00%
Unrecognized Tax Benefits that Would Impact Effective Tax Rate	$ 300,000
Unrecognized Tax Benefits, Income Tax Penalties and Interest Expense, Total	$ 269,000