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Income Taxes (Narrative) (Details) (USD $)
 12 Months Ended
Jun. 30, 2012
Jun. 30, 2011
Jun. 30, 2010
Jun. 30, 2009
Statutory rate percentage of federal income tax expense 35.00%      
Valuation allowance, amount $ 500,000      
Gross unrecognized tax benefits 1,257,000 1,181,000 1,279,000 1,359,000
Unrecognized tax benefits that would impact effective tax rate if recognized 800,000      
Unrecognized tax benefits, period increase 100,000      
Income tax penalties and interest accrued 1,000,000 900,000 1,000,000  
Income tax penalties and interest expensed 100,000      
Federal [Member]
        
Operating loss carry forwards 100,000      
State and Local [Member]
        
Operating loss carry forwards 900,000      
Tax credit carry forwards 200,000      
Operating loss carry forwards, valuation allowance 100,000      
Withholding Tax Credits [Member]
        
Tax credit carry forwards 500,000      
Foreign [Member]
        
Operating loss carry forwards 8,500,000      
Undistributed earnings of foreign subsidiaries 56,300,000      
Undistributed earnings of foreign subsidiaries, tax effect 10,000,000      
Valuation Allowance, Operating Loss Carryforwards [Member] | Foreign [Member]
        
Valuation allowance, deferred tax asset, change in amount $ 400,000