Note D - Income Per Share - Earnings Per Share Reconciliation (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		9 Months Ended
	Dec. 28, 2025	Dec. 29, 2024	Dec. 28, 2025	Dec. 29, 2024
Net income	$ 3,084	$ 4,484	$ 17,211	$ 19,791
Weighted average basic shares outstanding (in shares)	4,090,000	4,086,000	4,090,000	4,085,000
Effect of dilutive share-based awards (in shares)	29,000	7,000	34,000	7,000
Weighted average diluted shares outstanding (in shares)	4,119,000	4,093,000	4,124,000	4,092,000
Basic (in dollars per share)	$ 0.75	$ 1.1	$ 4.21	$ 4.84
Diluted (in dollars per share)	$ 0.75	$ 1.1	$ 4.17	$ 4.84
Anti-dilutive share-based awards (in shares)	0	120,000	0	120,000