Note 2 - Significant Accounting Policies (Details Textual) - USD ($)	3 Months Ended	12 Months Ended
	Sep. 30, 2016	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2014
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
Reclassification From Current Deferred Tax Assets to Noncurrent Deferred Tax Assets [Member] | Scenario, Forecast [Member]
Current Period Reclassification Adjustment	$ 4,500,000
Derivative Asset		$ 900,000	$ 1,300,000
Provision for Doubtful Accounts		300,000	200,000	$ 0
Construction in Progress, Gross		2,900,000	1,300,000
Impairment of Long-Lived Assets Held-for-use		4,114,000
Advertising Expense		5,000,000	5,700,000	5,500,000
Defined Benefit Plan, Effect of Plan Amendment on Net Periodic Benefit Cost		17,800,000	1,300,000	400,000
Undistributed Earnings of Foreign Subsidiaries		67,000,000
Research and Development Expense		$ 1,800,000	$ 1,700,000	$ 1,400,000
Incremental Common Shares Attributable to Dilutive Effect of Share-based Payment Arrangements		32,833	40,214	29,951