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Long Term Debt (Aggregate Maturities Of Long-Term Debt) (Details) (USD $)
In Thousands
Jun. 30, 2011
Jun. 30, 2010
Long Term Debt    
2012 $ 7,500  
2013 7,500  
2014 311,250  
2015 15,000  
2016 105,000  
Principal amount of long-term debt 446,250 578,653
Less unamortized discount (36,313) (47,549)
Total long-term debt $ 409,937 $ 531,104