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Note 17 - Industry Segment Information - Assets by Industry Segments (Details) - USD ($)
$ in Thousands
Dec. 31, 2018
Jun. 30, 2018
Assets $ 1,014,052 $ 916,937
Discontinued Operations [Member]    
Assets 97,563 99,830
Food Service Equipment Group [Member] | Continuing Operations [Member]    
Assets 150,728 149,743
Engraving Group [Member] | Continuing Operations [Member]    
Assets 223,209 149,973
Engineering Technologies Group [Member] | Continuing Operations [Member]    
Assets 143,904 150,150
Electronics Products Group [Member] | Continuing Operations [Member]    
Assets 336,562 318,564
Hydraulics Products Group [Member] | Continuing Operations [Member]    
Assets 29,970 25,646
Corporate and Other [Member] | Continuing Operations [Member]    
Assets $ 32,116 $ 23,031