Receivables (Schedule Of The Allowance For Doubtful Accounts For Notes Receivable) (Details) (USD $) In Millions, unless otherwise specified	Mar. 31, 2012	Jun. 30, 2011
Accounts, Notes, Loans and Financing Receivable [Line Items]
Notes Receivable - Current	$ 88.6	$ 90.5
Notes Receivable - Long-term	143.4	146.4
Reserve - Current	5.9	5.7
Reserve - Long-term	9.5	9.4
Specific Reserve [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Notes Receivable - Current	0.4	0.6
Notes Receivable - Long-term	0.6	0.9
Reserve - Current	0.4	0.6
Reserve - Long-term	0.6	0.9
Non-Specific Reserve [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Notes Receivable - Current	88.2	89.9
Notes Receivable - Long-term	142.8	145.5
Reserve - Current	5.5	5.1
Reserve - Long-term	$ 8.9	$ 8.5