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Debt Issuances And Redemptions (Details) (USD $)
3 Months Ended 6 Months Ended 0 Months Ended 3 Months Ended
Jan. 01, 2011
Jan. 01, 2011
Oct. 08, 2010
6.25% Notes [Member]
Sep. 07, 2010
6.25% Notes [Member]
Jan. 01, 2011
6.25% Notes [Member]
Oct. 02, 2010
6.25% Notes [Member]
Debt Instrument [Line Items]            
Carrying value of long-term debt       $ 1,110,000,000    
Debt instrument maturity date       Sep. 15, 2011    
Debt instrument interest rate       6.25%    
Debt extinguishment costs 25,000,000 55,000,000     25,000,000 30,000,000
Debt extinguishment     $ 456,700,000 $ 653,300,000