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Receivables (Rollforward Of The Allowance For Doubtful Accounts For Notes Receivable) (Details) (USD $)
In Millions
12 Months Ended
Jun. 30, 2011
Jun. 30, 2010
Jun. 30, 2011
Allowance For Doubtful Accounts, Current [Member]
Jun. 30, 2011
Allowance For Doubtful Accounts, Noncurrent [Member]
Beginning balance, current $ 5.7 $ 9.4 $ 9.4  
Beginning balance, long-term 9.4 16.1   16.1
Incremental provision     1.8 3.0
Recoveries     (3.7) (6.8)
Chargeoffs     (1.8) (2.9)
Ending balance, current 5.7 9.4 5.7  
Ending balance, long-term $ 9.4 $ 16.1   $ 9.4