Annual report pursuant to Section 13 and 15(d)

Note 9 - Share-based Compensation and Other Benefit Plan - Assumptions Used in Black-Scholes Option-Pricing Model (Details)

v3.5.0.2
Note 9 - Share-based Compensation and Other Benefit Plan - Assumptions Used in Black-Scholes Option-Pricing Model (Details)
12 Months Ended
Jun. 30, 2016
Jun. 30, 2015
Jun. 30, 2014
Minimum [Member]      
Expected volatility 20.00% 18.00% 18.00%
Risk-free interest rates 1.20% 1.30% 1.40%
Maximum [Member]      
Expected volatility 23.00% 21.00% 22.00%
Risk-free interest rates 1.90% 2.20% 2.10%
Dividend yield 1.20% 1.30% 1.50%
Expected volatility
Risk-free interest rates
Expected lives (years) 5 years 5 years 6 years