Note 9 - Derivative Financial Instruments - Amounts Reclassified From Accumulated Other Comprehensive Income (Loss) to Net Income (Details) - Designated as Hedging Instrument [Member] - USD ($) $ in Thousands	Jun. 30, 2018	Jun. 30, 2017
Other Assets [Member]
Unrealized gain (loss)	$ 2,682
Other Assets [Member] | Interest Rate Swap [Member]
Unrealized gain (loss)	1,325
Other Assets [Member] | Foreign Exchange Contract [Member]
Unrealized gain (loss)	1,357
Other Liabilities [Member]
Liability	4,204	3,014
Other Liabilities [Member] | Interest Rate Swap [Member]
Liability		181
Other Liabilities [Member] | Foreign Exchange Contract [Member]
Liability	$ 4,204	$ 2,833