Receivables (Schedule Of The Allowance For Doubtful Accounts For Notes Receivable) (Details) (USD $) In Millions, unless otherwise specified	Dec. 31, 2011	Jun. 30, 2011
Accounts, Notes, Loans and Financing Receivable [Line Items]
Notes Receivable - Current	$ 88.1	$ 90.5
Notes Receivable - Long-term	141.1	146.4
Reserve - Current	5.6	5.7
Reserve - Long-term	9.0	9.4
Specific Reserve [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Notes Receivable - Current	0.4	0.6
Notes Receivable - Long-term	0.7	0.9
Reserve - Current	0.4	0.6
Reserve - Long-term	0.7	0.9
Non-Specific Reserve [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Notes Receivable - Current	87.7	89.9
Notes Receivable - Long-term	140.4	145.5
Reserve - Current	5.2	5.1
Reserve - Long-term	$ 8.3	$ 8.5