Note D - Income Per Share - Earnings Per Share Reconciliation (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended
	Jun. 30, 2024	Jun. 25, 2023
Net income	$ 9,277	$ 7,388
Basic (in shares)	4,085	4,080
Effect of dilutive employee stock options (in shares)	4	8
Diluted (in shares)	4,089	4,088
Basic (in dollars per share)	$ 2.27	$ 1.81
Diluted (in dollars per share)	$ 2.27	$ 1.81
Anti-dilutive share-based awards (in shares)	0	10