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Stock-Based Compensation (Details 5) - USD ($)
$ in Thousands
12 Months Ended
Jun. 30, 2015
Jun. 30, 2014
Share-based Compensation Arrangement by Share-based Payment Award    
Stock-based compensation expense $ 705 $ 686
Tax benefit related to stock-based compensation expense 253 258
2016 731  
2017 585  
2018 439  
2019 324  
2020 85  
Total 2,164  
Stock appreciation rights    
Share-based Compensation Arrangement by Share-based Payment Award    
Stock-based compensation expense 48 $ 48
Stock options.    
Share-based Compensation Arrangement by Share-based Payment Award    
2016 331  
2017 185  
2018 76  
2019 12  
2020 1  
Total 605  
Restricted stock    
Share-based Compensation Arrangement by Share-based Payment Award    
2016 400  
2017 400  
2018 363  
2019 312  
2020 84  
Total $ 1,559