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Note 16 - Industry Segment Information - Net Sales and Income (Loss) by Industry Segments (Details) - USD ($)
$ in Thousands
3 Months Ended
Sep. 30, 2016
Sep. 30, 2015
Food Service Equipment Group [Member]    
Net sales $ 92,651 $ 107,213
Income from operations 9,488 14,024
Income from operations (87) (1,360)
Engraving Group [Member]    
Net sales 26,730 33,521
Income from operations 7,398 9,907
Income from operations (6) (2)
Engineering Technologies Group [Member]    
Net sales 18,721 18,711
Income from operations 1,496 675
Income from operations (185) (34)
Electronics Products Group [Member]    
Net sales 30,651 27,986
Income from operations 6,473 5,550
Income from operations (109) (123)
Hydraulics Products Group [Member]    
Net sales 10,847 10,967
Income from operations 2,129 1,976
Income from operations
Corporate and Other [Member]    
Income from operations (6,820) (7,510)
Net sales 179,600 198,398
Income from operations 19,770 23,103
Income from operations (394) (1,519)
Interest expense (697) (644)
Other non-operating income 434 190
Income from continuing operations before income taxes $ 19,507 $ 22,649