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Note 17 - Restructuring - Summary of Restructuring Expenses by Segment (Details) - USD ($)
$ in Thousands
3 Months Ended
Sep. 30, 2021
Sep. 30, 2020
Restructuring charges $ 440 $ 1,488
Involuntary Employee Severance And Benefit Costs [Member]    
Restructuring charges 375 1,054
Other Restructuring [Member]    
Restructuring charges 65 434
Electronics Products Group [Member]    
Restructuring charges 0 174
Electronics Products Group [Member] | Involuntary Employee Severance And Benefit Costs [Member]    
Restructuring charges 0 169
Electronics Products Group [Member] | Other Restructuring [Member]    
Restructuring charges 0 5
Engraving Group [Member]    
Restructuring charges 349 238
Engraving Group [Member] | Involuntary Employee Severance And Benefit Costs [Member]    
Restructuring charges 284 91
Engraving Group [Member] | Other Restructuring [Member]    
Restructuring charges 65 147
Engineering Technologies Group [Member]    
Restructuring charges 91 35
Engineering Technologies Group [Member] | Involuntary Employee Severance And Benefit Costs [Member]    
Restructuring charges 91 35
Engineering Technologies Group [Member] | Other Restructuring [Member]    
Restructuring charges 0 0
Specialty Solutions Group [Member]    
Restructuring charges 0 955
Specialty Solutions Group [Member] | Involuntary Employee Severance And Benefit Costs [Member]    
Restructuring charges 0 673
Specialty Solutions Group [Member] | Other Restructuring [Member]    
Restructuring charges 0 282
Corporate Segment [Member]    
Restructuring charges 0 86
Corporate Segment [Member] | Involuntary Employee Severance And Benefit Costs [Member]    
Restructuring charges 0 86
Corporate Segment [Member] | Other Restructuring [Member]    
Restructuring charges $ 0 $ 0