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Fair Value Measurements (Details 1) (USD $)
In Thousands
12 Months Ended
Jun. 30, 2011
Jun. 30, 2010
Assets measured at fair value    
Beginning Balance $ 660 $ 760
Maturities or redemptions (100) (100)
Reclassification of unrealized loss to net income 40  
Realized loss (71)  
Ending Balance $ 529 $ 660