Note 16 - Industry Segment Information - Net Sales and Income (Loss) by Industry Segments (Details) - USD ($) $ in Thousands	3 Months Ended
	Sep. 30, 2022	Sep. 30, 2021
Net sales	$ 180,600	$ 175,610
Income from operations	26,290	22,828
Restructuring costs	(582)	(440)
Acquisition related costs	(292)	(217)
Interest expense	1,187	1,720
Other non-operating (income) expense	1,018	23
Income from continuing operations before income taxes	24,085	21,085
Electronics Products Group [Member]
Net sales	75,199	75,836
Income from operations	18,141	18,273
Restructuring costs	(254)
Engraving Group [Member]
Net sales	35,024	35,170
Income from operations	5,854	4,874
Restructuring costs	(328)	(349)
Scientific Group [Member]
Net sales	18,456	21,529
Income from operations	3,723	4,508
Engineering Technologies Group [Member]
Net sales	16,999	17,573
Income from operations	1,865	899
Restructuring costs		(91)
Specialty Solutions Group [Member]
Net sales	34,922	25,502
Income from operations	6,077	2,815
Corporate and Other [Member]
Income from operations	$ (8,496)	$ (7,884)