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Note 17 - Restructuring - Summary of Restructuring Expenses by Segment (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Mar. 31, 2016
Mar. 31, 2015
Mar. 31, 2016
Mar. 31, 2015
Involuntary Employee Severance And Benefit Costs [Member] | Food Service Equipment Group [Member]        
Restructuring Charges $ 77 $ 52 $ 99 $ 219
Involuntary Employee Severance And Benefit Costs [Member] | Engraving Group [Member]        
Restructuring Charges 18 35 79
Involuntary Employee Severance And Benefit Costs [Member] | Engineering Technologies Group [Member]        
Restructuring Charges 55 160 55
Involuntary Employee Severance And Benefit Costs [Member] | Electronics Products Group [Member]        
Restructuring Charges $ 159 118 603 348
Involuntary Employee Severance And Benefit Costs [Member] | Corporate Segment [Member]        
Restructuring Charges   128  
Involuntary Employee Severance And Benefit Costs [Member]        
Restructuring Charges $ 236 243 1,025 701
Other Restructuring [Member] | Food Service Equipment Group [Member]        
Restructuring Charges $ 93 134 $ 2,197 $ 1,431
Other Restructuring [Member] | Engraving Group [Member]        
Restructuring Charges   $ (3)  
Other Restructuring [Member] | Engineering Technologies Group [Member]        
Restructuring Charges
Other Restructuring [Member] | Electronics Products Group [Member]        
Restructuring Charges $ 56 $ 24 $ 159 $ 222
Other Restructuring [Member] | Corporate Segment [Member]        
Restructuring Charges 6   6  
Other Restructuring [Member]        
Restructuring Charges 155 155 2,362 1,653
Food Service Equipment Group [Member]        
Restructuring Charges $ 170 186 2,296 1,650
Engraving Group [Member]        
Restructuring Charges 15 35 79
Engineering Technologies Group [Member]        
Restructuring Charges 55 160 55
Electronics Products Group [Member]        
Restructuring Charges $ 215 142 762 570
Corporate Segment [Member]        
Restructuring Charges 6   134  
Restructuring Charges $ 391 $ 398 $ 3,387 $ 2,354