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Stock-Based Compensation (Classification Of Compensation Expense Within Consolidated Statements Of Income) (Details) (USD $)
In Thousands, unless otherwise specified
3 Months Ended
Sep. 30, 2012
Sep. 30, 2011
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]    
Total stock-based compensation $ 2,736 $ 2,623
Direct Costs [Member]
   
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]    
Total stock-based compensation 380 403
Selling, General And Administrative [Member]
   
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]    
Total stock-based compensation $ 2,356 $ 2,220