Note F - Business Segments - Net Sales by Product Group (Details) - USD ($) $ in Thousands	3 Months Ended
	Sep. 26, 2025	Sep. 27, 2024
Net Sales	$ 79,996	$ 72,897
Intersegment Eliminations [Member]
Net Sales	(15,836)	(20,004)
Manufacturing Segment [Member] | Operating Segments [Member]
Net Sales	74,054	63,318
Distribution Segment [Member] | Operating Segments [Member]
Net Sales	21,778	29,583
Industrial [Member]
Net Sales	10,378	9,169
Industrial [Member] | Intersegment Eliminations [Member]
Net Sales	(923)	(681)
Industrial [Member] | Manufacturing Segment [Member] | Operating Segments [Member]
Net Sales	10,304	8,797
Industrial [Member] | Distribution Segment [Member] | Operating Segments [Member]
Net Sales	997	1,053
Land Based Transmissions [Member]
Net Sales	17,558	17,284
Land Based Transmissions [Member] | Intersegment Eliminations [Member]
Net Sales	(3,273)	(4,432)
Land Based Transmissions [Member] | Manufacturing Segment [Member] | Operating Segments [Member]
Net Sales	17,880	18,153
Land Based Transmissions [Member] | Distribution Segment [Member] | Operating Segments [Member]
Net Sales	2,951	3,563
Marine and Propulsion Systems [Member]
Net Sales	48,226	42,100
Marine and Propulsion Systems [Member] | Intersegment Eliminations [Member]
Net Sales	(11,127)	(14,578)
Marine and Propulsion Systems [Member] | Manufacturing Segment [Member] | Operating Segments [Member]
Net Sales	45,870	36,347
Marine and Propulsion Systems [Member] | Distribution Segment [Member] | Operating Segments [Member]
Net Sales	13,483	20,331
Other [Member]
Net Sales	3,834	4,344
Other [Member] | Intersegment Eliminations [Member]
Net Sales	(513)	(313)
Other [Member] | Manufacturing Segment [Member] | Operating Segments [Member]
Net Sales	0	21
Other [Member] | Distribution Segment [Member] | Operating Segments [Member]
Net Sales	$ 4,347	$ 4,636