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Derivatives And Hedging Activities (Narrative) (Details) (USD $)
3 Months Ended 6 Months Ended
Dec. 31, 2011
Dec. 31, 2010
Dec. 31, 2011
Dec. 31, 2010
Dec. 31, 2011
Unfavorable Forward Exchange Contract [Member]
Dec. 31, 2011
Unsecured Notes Payable To Bank [Member]
Jun. 30, 2011
Unsecured Notes Payable To Bank [Member]
Derivative [Line Items]              
Notional amount of foreign currency contracts outstanding $ 72,500,000   $ 72,500,000        
Currency devaluation percentage 11.80%            
Long-term debt           25,000,000 25,000,000
Interest rate swap expiration date     Sep. 28, 2011        
Net foreign exchange derivative contract gains (losses) $ 15,000 $ 1,510,000 $ (1,197,000) $ 42,000 $ 2,500,000