Note 18 - Industry Segment Information (Details) - Industry Segments (USD $) In Thousands, unless otherwise specified	3 Months Ended								12 Months Ended
	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2012	Sep. 30, 2012	Jun. 30, 2014		Jun. 30, 2013		Jun. 30, 2012
Segment Reporting Information [Line Items]
Net Sales	$ 197,340	$ 174,160	$ 166,540	$ 178,140	$ 175,823	$ 160,090	$ 160,866	$ 176,611	$ 716,180	[1]	$ 673,390	[1]	$ 610,586	[1]
Depreciation and Amortization									14,591		15,235		13,142
Goodwill	125,965				111,905				125,965		111,905		100,633
Identifiable Assets	578,160				510,573				578,160		510,573
Food Service Equipment Group [Member]
Segment Reporting Information [Line Items]
Net Sales									377,848		367,008		364,759
Depreciation and Amortization									4,485		4,930		4,994
Goodwill	56,731				45,790				56,731		45,790
Identifiable Assets	214,674				192,895				214,674		192,895
Engraving Group [Member]
Segment Reporting Information [Line Items]
Net Sales									109,271		93,380		93,611
Depreciation and Amortization									3,342		3,226		3,293
Goodwill	20,716				20,614				20,716		20,614
Identifiable Assets	101,106				88,064				101,106		88,064
Engineering Technologies Group [Member]
Segment Reporting Information [Line Items]
Net Sales									79,642		74,838		74,088
Depreciation and Amortization									3,063		3,288		3,188
Goodwill	12,188				10,861				12,188		10,861
Identifiable Assets	75,591				68,597				75,591		68,597
Electronics Products Group [Member]
Segment Reporting Information [Line Items]
Net Sales									114,881		108,085		48,206
Depreciation and Amortization									2,807		2,986		878
Goodwill	33,272				31,582				33,272		31,582
Identifiable Assets	103,699				94,369				103,699		94,369
Hydraulics Products Group [Member]
Segment Reporting Information [Line Items]
Net Sales									34,538		30,079		29,922
Depreciation and Amortization									625		566		518
Goodwill	3,058				3,058				3,058		3,058
Identifiable Assets	16,410				15,250				16,410		15,250
Corporate and Other [Member]
Segment Reporting Information [Line Items]
Depreciation and Amortization									269		239		271
Identifiable Assets	$ 66,680				$ 51,398				$ 66,680		$ 51,398

[1] Net sales were identified based on geographic location where our products and services were initiated.