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Share-Based Compensation (Narrative) (Details) (USD $)
 12 Months Ended
Jun. 30, 2012
Jun. 30, 2011
Jun. 30, 2010
Options granted during period 85,578    
Exercise price percentage of fair market value at grant date 100.00%    
Total aggregate intrinsic value of options exercised $ 5,800,000 $ 5,200,000 $ 1,600,000
Fair value of shares vested 2,900,000 3,500,000 4,300,000
Stock Options [Member]
      
Options granted during period 85,578    
Vesting period (years) 3 years    
Contractual life (years) 10    
Unrecognized compensation cost 2,300,000    
Weighted-average period of recognition of unrecognized compensation cost (years) 1 year 1 month 2 days    
Restricted Stock [Member]
      
Unrecognized compensation cost 6,400,000    
Weighted-average period of recognition of unrecognized compensation cost (years) 1 year 10 months 17 days    
Shares granted 173,246    
Amount to be divided by fair market value of common stock $ 80,000    
Shares withheld for income taxes for share based compensation 43,122    
Restricted Stock Units (RSUs) [Member]
      
Shares granted 159,746    
2002 Long-Term Incentive Plan [Member]
      
Shares available for future grant 1,888,923    
2003 Director Plan [Member]
      
Shares available for future grant 88,100