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Long-Term Debt (Aggregate Maturities Of Long-Term Debt) (Details) (USD $)
In Thousands
Sep. 30, 2011
Jun. 30, 2011
Long-Term Debt [Abstract]  
2012$ 7,500 
20137,500 
2014313,125 
201515,000 
2016226,250 
Principal amount of long-term debt569,375446,250
Less unamortized discount(33,379)(36,313)
Total long-term debt$ 535,996$ 409,937