Note K - Income Taxes (Details Textual) - USD ($)	6 Months Ended
	Sep. 29, 2019	Sep. 23, 2018
Effective Income Tax Rate Reconciliation, Percent, Total	26.50%	28.50%
Effective Income Tax Rate, Effect of Stock Compensation	1.90%	0.40%
Share-based Payment Arrangement, Expense, Tax Benefit	$ 228,000	$ 46,000
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent	28.40%	28.90%
Unrecognized Tax Benefits that Would Impact Effective Tax Rate	$ 280,000	$ 267,000