Note 8 - Debt (Details) (USD $) In Millions, unless otherwise specified	9 Months Ended
	Mar. 31, 2014
Note 8 - Debt (Details) [Line Items]
Debt Instrument, Term	5 years
Line of Credit Facility, Maximum Borrowing Capacity	$ 225
Line of Credit Facility, Expiration Date	Jan. 31, 2017
Line Of Credit Accordion Feature	100
Line of Credit Facility, Remaining Borrowing Capacity	168.7
Sub-Facility [Member]
Note 8 - Debt (Details) [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity	30
Standby Letters of Credit [Member]
Note 8 - Debt (Details) [Line Items]
Line of Credit Facility, Amount Outstanding	$ 11.3