Note 2 - Acquisition (Details) - Components of Fair Value of Acquisitions and Allocation of Purchase Price (USD $) In Thousands, unless otherwise specified	12 Months Ended			1 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2014 Ultrafryer Systems, Inc. [Member]	Jul. 31, 2012 Meder Electronic [Member]
Fair value of business combination:
Cash payments				$ 20,745	$ 43,181
Less: cash acquired				(20)	(3,568)
Total	23,075	39,613		20,725	39,613
Identifiable assets acquired and liabilities assumed
Current assets				5,871	20,246
Property, plant, and equipment				1,259	11,060
Identifiable intangible assets				7,612	8,200
Goodwill	125,965	111,905	100,633	10,930	12,063
Other non-current assets					222
Liabilities assumed				(1,733)	(8,642)
Deferred taxes				(3,214)	(3,536)
Total				$ 20,725	$ 39,613