Annual report pursuant to Section 13 and 15(d)

Note 7. Long-Term Debt (Details)

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Note 7. Long-Term Debt (Details) (USD $)
1 Months Ended 12 Months Ended
Apr. 30, 2008
Jun. 30, 2011
Jun. 30, 2010
Debt Instrument [Line Items]      
Debt, Principal Amount $ 750,000,000    
Debt, Interest Rate, Stated Percentage 6.90%    
Debt, Maturity Date 2018    
Debt, Interest Rate, Effective Percentage 7.00%    
Debt, Unamortized Discount 5,400,000    
Offer to Repurchase Senior Note Percent of Principal Amount   101.00%  
Debt, Fair Value   $ 863,500,000 $ 834,400,000