Note 10 - Derivative Financial Instruments - Details about Accumulated Other Comprehensive Income (Loss) Components (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Mar. 31, 2016	Mar. 31, 2015	Mar. 31, 2016	Mar. 31, 2015
Interest Rate Swap [Member] | Interest Expense [Member] | Accumulated Net Gain (Loss) from Cash Flow Hedges Attributable to Parent [Member]
Accumulated other comprehensive income (loss) component	$ 176	$ 296	$ 442	$ 802
Foreign Exchange Contract [Member] | Cost of Sales [Member] | Accumulated Net Gain (Loss) from Cash Flow Hedges Attributable to Parent [Member]
Accumulated other comprehensive income (loss) component	72		33
Interest Expense [Member]
Accumulated other comprehensive income (loss) component	247	$ 296	474	$ 802
Accumulated Net Gain (Loss) from Cash Flow Hedges Attributable to Parent [Member]
Accumulated other comprehensive income (loss) component	$ 248	$ 296	$ 475	$ 802