Note 17 - Industry Segment Information - Assets by Industry Segments (Details) - USD ($) $ in Thousands	Sep. 30, 2019	Jun. 30, 2019
Assets	$ 949,292	$ 921,889
Engraving Group [Member] | Continuing Operations [Member]
Assets	256,628	233,569
Electronics Products Group [Member] | Continuing Operations [Member]
Assets	324,894	332,326
Engineering Technologies Group [Member] | Continuing Operations [Member]
Assets	148,569	149,628
Hydraulics Products Group [Member] | Continuing Operations [Member]
Assets	27,672	28,132
Food Service Equipment Group [Member] | Continuing Operations [Member]
Assets	166,465	159,656
Corporate and Other [Member] | Continuing Operations [Member]
Assets	$ 25,064	$ 18,578