Note 6 - Intangible Assets and Goodwill (Details Textual) - USD ($) $ in Millions	12 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2013
Developed Technology Rights [Member] \| Cost of Sales [Member]
Amortization of Intangible Assets	$ 9.5	$ 4.2	$ 3.0
Trade Names, Customer Relationships, and Non-compete Agreement [Member] \| Selling, General and Administrative Expense [Member]
Amortization of Intangible Assets	$ 16.7	$ 6.1	$ 2.1