Note 13 - Stock-Based Compensation and Purchase Plans (Details) - Assumptions Used to Estimate Fair Values (USD $)	12 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2012
Assumptions Used to Estimate Fair Values [Abstract]
Risk-free interest rates	0.70%	0.25%	0.25%
Expected life of option grants (in years)	3 years	3 years	3 years
Expected volatility of underlying stock	38.90%	47.40%	63.20%
Expected quarterly dividends (per share) (in Dollars per share)	$ 0.08	$ 0.07	$ 0.06