Note 9 - Derivative Financial Instruments (Details) - Details about Accumulated Other Comprehensive Income (Loss) Components (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2012
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Interest rate swaps	$ 2,249	$ 2,469	$ 2,280
Reclassification out of Accumulated Other Comprehensive Income [Member] | Accumulated Net Gain (Loss) from Designated or Qualifying Cash Flow Hedges [Member] | Interest Rate Swap [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Interest rate swaps	$ 1,031	$ 1,050	$ 820