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Stock-Based Compensation (Valuation Assumptions) (Details) - $ / shares
12 Months Ended
Jun. 30, 2015
Jun. 30, 2014
Jun. 30, 2013
Stock-Based Compensation [Abstract]      
Weighted Average Estimated Fair Value Per Share of Options Granted During the Period $ 4.04 $ 3.18 $ 2.27
Dividend Yield   2.10%  
Common Stock Price Volatility 46.85% 38.88% 44.86%
Risk Free Rate of Return 1.62% 1.53% 0.62%
Expected Option Term (in years) 6 years 5 years 5 years