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Note 16 - Restructuring - Summary of Restructuring Expenses by Segment (Details) - USD ($)
12 Months Ended
Jun. 30, 2016
Jun. 30, 2015
Jun. 30, 2014
Involuntary Employee Severance And Benefit Costs [Member] | Food Service Equipment Group [Member]      
Restructuring charges $ 138,000 $ 215,000 $ 746,000
Involuntary Employee Severance And Benefit Costs [Member] | Engineering Technologies Group [Member]      
Restructuring charges 160,000 75,000  
Involuntary Employee Severance And Benefit Costs [Member] | Engraving Group [Member]      
Restructuring charges 92,000 220,000 667,000
Involuntary Employee Severance And Benefit Costs [Member] | Electronics Products Group [Member]      
Restructuring charges 624,000 348,000 187,000
Involuntary Employee Severance And Benefit Costs [Member] | Corporate and Other [Member]      
Restructuring charges 128,000    
Involuntary Employee Severance And Benefit Costs [Member]      
Restructuring charges 1,142,000 858,000 1,600,000
Other Restructuring [Member] | Food Service Equipment Group [Member]      
Restructuring charges 2,841,000 2,363,000 8,408,000
Other Restructuring [Member] | Engineering Technologies Group [Member]      
Restructuring charges  
Other Restructuring [Member] | Engraving Group [Member]      
Restructuring charges 21,000
Other Restructuring [Member] | Electronics Products Group [Member]      
Restructuring charges 217,000 222,000 48,000
Other Restructuring [Member] | Corporate and Other [Member]      
Restructuring charges 32,000    
Other Restructuring [Member]      
Restructuring charges 3,090,000 2,585,000 8,477,000
Food Service Equipment Group [Member]      
Restructuring charges 2,979,000 2,578,000 9,154,000
Engineering Technologies Group [Member]      
Restructuring charges 160,000 75,000  
Engraving Group [Member]      
Restructuring charges 92,000 220,000 688,000
Electronics Products Group [Member]      
Restructuring charges 841,000 570,000 235,000
Corporate and Other [Member]      
Restructuring charges 160,000    
Restructuring charges $ 4,232,000 $ 3,443,000 $ 10,077,000