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Note 16 - Industry Segment Information - Assets by Industry Segments (Details) - USD ($)
$ in Thousands
Sep. 30, 2017
Jun. 30, 2017
Assets $ 879,940 $ 867,676
Food Service Equipment Group [Member]    
Assets 250,595 243,414
Engraving Group [Member]    
Assets 138,265 115,664
Engineering Technologies Group [Member]    
Assets 146,715 150,805
Electronics Products Group [Member]    
Assets 284,201 292,776
Hydraulics Products Group [Member]    
Assets 22,761 21,405
Corporate and Other [Member]    
Assets $ 37,403 $ 43,612