Note 8 - Property, Plant and Equipment (Details Textual) - USD ($) $ in Millions	12 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2013
Capital Leased Assets, Gross	$ 0.7	$ 0.7
Capital Leases, Lessee Balance Sheet, Assets by Major Class, Accumulated Depreciation	0.6	0.6
Operating Leases, Rent Expense, Net	$ 2.2	$ 1.9	$ 1.9