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Derivatives and Hedging Activities (Narrative) (Details) (USD $)
Jun. 30, 2011
Jun. 30, 2010
Notional amount of foreign currency contracts outstanding $ 76,800,000  
Long-term debt 30,429,000 30,429,000
Fair value of swap liability 200,000  
Unsecured Notes Payable to Bank [Member]
   
Long-term debt $ 25,000,000 $ 25,000,000