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Income Taxes (Narrative) (Details) (USD $)
 12 Months Ended
Jun. 30, 2011
Jun. 30, 2010
Jun. 30, 2009
Jun. 30, 2008
Statutory rate percentage of federal income tax expense 35.00%      
Gross unrecognized tax benefits $ 2,105,000 $ 2,257,000 $ 2,309,000 $ 1,976,000
Unrecognized tax benefits that would impact effective tax rate if recognized 1,800,000      
Tax expense accrued for interest and penalties 900,000      
Tax expense accrued for interest and penalties for the current period 200,000      
Federal [Member]
        
Operating loss carry forwards 100,000      
State and Local [Member]
        
Operating loss carry forwards 900,000      
Tax credit carry forwards 100,000      
Operating loss carry forwards, valuation allowance 100,000      
Foreign [Member]
        
Operating loss carry forwards 1,200,000      
Undistributed earnings of foreign subsidiaries 57,200,000      
Undistributed earnings of foreign subsidiaries, tax effect $ 8,200,000