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Stock-Based Compensation (Summarized Restricted Stock Compensation Expense And Tax Benefits) (Details) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Jun. 30, 2012
Jun. 30, 2011
Jun. 30, 2010
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Compensation expense $ 2,922 $ 2,297 $ 1,632
Restricted Stocks [ Member]
     
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Compensation expense 1,298 1,177 948
Tax benefits 454 412 332
Gross windfall tax benefits $ 71 $ 145 $ 43