Receivables (Rollforward Of The Allowance For Doubtful Accounts For Notes Receivable) (Details) (USD $) In Millions, unless otherwise specified			6 Months Ended
	Dec. 31, 2012	Jun. 30, 2012	Dec. 31, 2012 Current [Member]	Dec. 31, 2012 Long-term [Member]
Financing Receivable, Recorded Investment [Line Items]
Beginning balance, current	$ 5.9	$ 5.4
Beginning balance, long-term	9.9	8.8
Incremental provision			0.8	1.3
Recoveries and others			0	0.2
Chargeoffs			(0.3)	(0.4)
Ending balance, current	5.9	5.4
Ending balance, long-term	$ 9.9	$ 8.8