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Stock-Based Compensation (Narrative) (Details) - USD ($)
$ in Millions
12 Months Ended
Jun. 30, 2015
Jun. 30, 2014
Jun. 30, 2013
Stock Settled Stock Appreciation Rights SARS [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Vesting period (in years) 3 years    
Unrecognized compensation cost $ 1.9    
Weighted-average period over which remaining compensation cost will be recognized (in years) 2 years    
Employee Restricted Stock [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Vesting period (in years) 3 years    
Number vested (in shares) 20,000 6,000 23,000
Director Restricted Stock [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Vesting period (in years) 1 year    
Number vested (in shares) 6,000 7,000 7,000
Restricted Stock [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Unrecognized compensation cost $ 2.2    
Weighted-average period over which remaining compensation cost will be recognized (in years) 2 years    
Number vested (in shares) 26,000    
2005 Plan [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Common shares reserved for issuance to employees and directors (in shares) 2,000,000    
2005 Plan [Member] | Maximum [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Maximum term of stock awards granted (in years) 5 years