Note 18 - Restructuring - Summary of Restructuring Expenses by Segment (Details) - USD ($) $ in Thousands	3 Months Ended
	Sep. 30, 2019	Sep. 30, 2018
Restructuring charges	$ 1,479	$ 447
Involuntary Employee Severance And Benefit Costs [Member]
Restructuring charges	1,000	85
Other Restructuring [Member]
Restructuring charges	479	362
Engraving Group [Member]
Restructuring charges	1,038	17
Engraving Group [Member] | Involuntary Employee Severance And Benefit Costs [Member]
Restructuring charges	559	17
Engraving Group [Member] | Other Restructuring [Member]
Restructuring charges	479	0
Food Service Equipment Group [Member]
Restructuring charges	91	21
Food Service Equipment Group [Member] | Involuntary Employee Severance And Benefit Costs [Member]
Restructuring charges	91	21
Food Service Equipment Group [Member] | Other Restructuring [Member]
Restructuring charges	0	0
Electronics Products Group [Member]
Restructuring charges		12
Electronics Products Group [Member] | Involuntary Employee Severance And Benefit Costs [Member]
Restructuring charges		0
Electronics Products Group [Member] | Other Restructuring [Member]
Restructuring charges		12
Corporate and Other [Member]
Restructuring charges	350	350
Corporate and Other [Member] | Involuntary Employee Severance And Benefit Costs [Member]
Restructuring charges	350	0
Corporate and Other [Member] | Other Restructuring [Member]
Restructuring charges	$ 0	350
Engineering Technologies Group [Member]
Restructuring charges		47
Engineering Technologies Group [Member] | Involuntary Employee Severance And Benefit Costs [Member]
Restructuring charges		47
Engineering Technologies Group [Member] | Other Restructuring [Member]
Restructuring charges		$ 0