Note G - Business Segments - Revenues by Segment (Details) - USD ($) $ in Thousands	3 Months Ended
	Sep. 28, 2018	Sep. 29, 2017
Net sales	$ 74,689	$ 45,064
Net income (loss)	2,862	3,392
Intersegment Eliminations [Member]
Net sales	(17,143)
Corporate, Non-Segment [Member]
Net income (loss)	(5,238)	(2,344)
Manufacturing Segment [Member] | Operating Segments [Member]
Net sales	68,912	39,872
Net income (loss)	7,235	5,067
Manufacturing Segment [Member] | Intersegment Eliminations [Member]
Net sales	(14,749)	(10,332)
Distribution Segment [Member] | Operating Segments [Member]
Net sales	22,920	17,662
Net income (loss)	865	669
Distribution Segment [Member] | Intersegment Eliminations [Member]
Net sales	$ (2,394)	$ (2,138)