Annual report pursuant to Section 13 and 15(d)

Stockholders' Equity (Narrative) (Details)

v3.5.0.2
Stockholders' Equity (Narrative) (Details) - USD ($)
12 Months Ended
Sep. 07, 2016
May 27, 2016
Feb. 29, 2016
Nov. 25, 2015
Oct. 05, 2015
May 25, 2015
Mar. 20, 2015
Mar. 19, 2014
Jun. 30, 2016
Jun. 30, 2015
Jun. 30, 2014
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                      
Dividends paid (usd per share)   $ 0.07 $ 0.07 $ 0.05 $ 0.05 $ 0.05 $ 0.05        
Granted through stock option plan (shares)                 349,400 3,000  
Expected dividend payments (usd per share)                 $ 0.07    
Period for recognition of nonvested awards (in years)                 3 years 2 months 12 days    
Restricted Stock Units (RSUs)                      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                      
Shares outstanding                 0 86,298 106,674
Stock Appreciation Rights (SARs)                      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                      
Expiration period (in years)                 10 years    
Award vesting period (in years)                 3 years    
Shares outstanding                 0 8,990  
2014 Stock Award and Incentive Plan                      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                      
Maximum amount of shares per employee                 250,000    
Shares granted under the plan, shares                 273,600    
Awards Assumed from SGI Plan related to spinoff                      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                      
Granted through stock option plan (shares)               249,846      
Awards Assumed from SGI Plan related to spinoff | Restricted Stock Units (RSUs)                      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                      
SAR, grants in period (shares)               130,646      
Awards Assumed from SGI Plan related to spinoff | Stock Appreciation Rights (SARs)                      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                      
SAR, grants in period (shares)               8,990      
Non Employee Director Except Chairman of the Board | 2014 Stock Award and Incentive Plan                      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                      
Maximum grant date fair value                 $ 300,000    
Chairman of the Board | 2014 Stock Award and Incentive Plan                      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                      
Maximum grant date fair value                 $ 600,000    
Subsequent Event                      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                      
Dividend declared (usd per share) $ 0.07