Note 2 - Significant Account Policies (Details Textual) - USD ($)	12 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2013
Building and Building Improvements [Member] | Minimum [Member]
Property, Plant and Equipment, Useful Life	10 years
Building and Building Improvements [Member] | Maximum [Member]
Property, Plant and Equipment, Useful Life	50 years
Machinery and Equipment [Member] | Minimum [Member]
Property, Plant and Equipment, Useful Life	3 years
Machinery and Equipment [Member] | Maximum [Member]
Property, Plant and Equipment, Useful Life	12 years
Minimum [Member]
Finite-Lived Intangible Asset, Useful Life	5 years
Maximum [Member]
Finite-Lived Intangible Asset, Useful Life	15 years
Patents [Member]
Finite-Lived Intangible Asset, Useful Life	15 years
Trademarks [Member]
Finite-Lived Intangible Asset, Useful Life	14 years
Completed Technology [Member]
Finite-Lived Intangible Asset, Useful Life	10 years
Noncompete Agreements [Member]
Finite-Lived Intangible Asset, Useful Life	8 years
Customer Relationships [Member]
Finite-Lived Intangible Asset, Useful Life	8 years
Software Developement [Member]
Finite-Lived Intangible Asset, Useful Life	5 years
Goodwill, Impairment Loss	$ 0
Derivative Asset	1,300,000	$ 1,100,000
Provision for Doubtful Accounts	200,000	0	$ 100,000
Construction in Progress, Gross	$ 1,300,000	1,200,000
Reporting Unit, Percentage of Fair Value in Excess of Carrying Amount	37.40%
Advertising Expense	$ 5,700,000	5,500,000	6,000,000
Defined Benefit Plan, Effect of Plan Amendment on Net Periodic Benefit Cost	300,000	0	0
Undistributed Earnings of Foreign Subsidiaries	70,000,000
Research and Development Expense	$ 1,700,000	$ 1,400,000	$ 1,300,000
Incremental Common Shares Attributable to Dilutive Effect of Share-based Payment Arrangements	40,214	29,951	48,455