Receivables (Schedule Of The Allowance For Doubtful Accounts For Notes Receivable) (Details) (USD $) In Millions	Sep. 30, 2011	Jun. 30, 2011
Accounts, Notes, Loans and Financing Receivable [Line Items]
Notes receivable - current	$ 87.9	$ 90.5
Notes receivable - long-term	142.1	146.4
Reserve - current	6.0	5.7
Reserve - long-term	9.7	9.4
Specific Reserve [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Notes receivable - current	0.6	0.6
Notes receivable - long-term	0.9	0.9
Reserve - current	0.6	0.6
Reserve - long-term	0.9	0.9
Non-Specific Reserve [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Notes receivable - current	87.3	89.9
Notes receivable - long-term	141.2	145.5
Reserve - current	5.4	5.1
Reserve - long-term	$ 8.8	$ 8.5