Note 16 - Restructuring - Summary of Restructuring Expenses by Segment (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2017
Restructuring charges	$ 1,635	$ 6,964	$ 5,761
Involuntary Employee Severance And Benefit Costs [Member]
Restructuring charges	1,419	2,611	1,862
Other Restructuring [Member]
Restructuring charges	216	4,353	3,899
Engraving Group [Member]
Restructuring charges	662	1,687	6
Engraving Group [Member] | Involuntary Employee Severance And Benefit Costs [Member]
Restructuring charges	662	1,199	6
Engraving Group [Member] | Other Restructuring [Member]
Restructuring charges		488
Electronics Products Group [Member]
Restructuring charges	354	299	499
Electronics Products Group [Member] | Involuntary Employee Severance And Benefit Costs [Member]
Restructuring charges	327	215	11
Electronics Products Group [Member] | Other Restructuring [Member]
Restructuring charges	27	84	488
Engineering Technologies Group [Member]
Restructuring charges	116	1,098	3,879
Engineering Technologies Group [Member] | Involuntary Employee Severance And Benefit Costs [Member]
Restructuring charges	17	224	809
Engineering Technologies Group [Member] | Other Restructuring [Member]
Restructuring charges	99	874	3,070
Food Service Equipment Group [Member]
Restructuring charges	367	3,536	1,122
Food Service Equipment Group [Member] | Involuntary Employee Severance And Benefit Costs [Member]
Restructuring charges	277	681	1,100
Food Service Equipment Group [Member] | Other Restructuring [Member]
Restructuring charges	90	2,855	22
Corporate and Other [Member]
Restructuring charges	136	344	255
Corporate and Other [Member] | Involuntary Employee Severance And Benefit Costs [Member]
Restructuring charges	136	292	(64)
Corporate and Other [Member] | Other Restructuring [Member]
Restructuring charges		$ 52	$ 319