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Stock-Based Compensation (Employee Restricted Stock Grant Details) (Details) (Employee Restricted Stock [Member], USD $)
In Thousands, except Per Share data, unless otherwise specified
9 Months Ended
Mar. 31, 2013
Mar. 31, 2012
Employee Restricted Stock [Member]
   
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Restricted stock granted 8 25
Grant date fair value $ 572 $ 1,693
Weighted average grant date fair value per award $ 72.67 $ 68.12
Estimated forfeiture rate 3.00% 4.00%