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Note 16 - Industry Segment Information - Assets by Industry Segments (Details) - USD ($)
$ in Thousands
Dec. 31, 2016
Jun. 30, 2016
Assets $ 710,729 $ 690,457
Food Service Equipment Group [Member]    
Assets 231,946 206,875
Engraving Group [Member]    
Assets 119,902 117,026
Engineering Technologies Group [Member]    
Assets 146,527 147,866
Electronics Products Group [Member]    
Assets 114,416 114,001
Hydraulics Products Group [Member]    
Assets 18,642 19,084
Corporate and Other [Member]    
Assets $ 79,296 $ 85,605