Note 8 - Income Taxes (Details Textual)	9 Months Ended
	Dec. 27, 2025	Dec. 28, 2024
Effective Income Tax Rate Reconciliation, Percent	23.60%	23.20%
State and Local Jurisdiction [Member]
Effective Income Tax Rate Reconciliation, Change in Enacted Tax Rate, Percent	0.40%
Valuation Allowance Against State Tax Credits [Member]
Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Percent	0.70%	0.20%