Note 15 - Industry Segment Information (Details) - Industry segments (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Sep. 30, 2013	Sep. 30, 2012
Segment Reporting Information [Line Items]
Net Sales	$ 183,573	$ 183,386
Income from Operations	13,885	17,626
Interest expense	(560)	(651)
Other non-operating income	454	(36)
Income from continuing operations before income taxes	13,779	16,939
Restructuring costs	(3,806)	(235)
Food Service Equipment Group [Member]
Segment Reporting Information [Line Items]
Net Sales	105,344	109,323
Income from Operations	8,790	13,348
Restructuring costs	(3,346)
Engraving Group [Member]
Segment Reporting Information [Line Items]
Net Sales	25,027	23,356
Income from Operations	4,773	4,552
Restructuring costs	(252)	(235)
Engineering Technologies Group [Member]
Segment Reporting Information [Line Items]
Net Sales	17,265	15,730
Income from Operations	2,082	1,693
Electronics Products Group [Member]
Segment Reporting Information [Line Items]
Net Sales	28,144	27,839
Income from Operations	5,138	3,088
Restructuring costs	(208)
Hydraulics Products Group [Member]
Segment Reporting Information [Line Items]
Net Sales	7,793	7,138
Income from Operations	1,174	971
Corporate Segment [Member]
Segment Reporting Information [Line Items]
Income from Operations	$ (4,266)	$ (5,791)