Receivables (Rollforward Of The Allowance For Doubtful Accounts For Notes Receivable) (Details) (USD $) In Millions, unless otherwise specified			3 Months Ended
	Sep. 30, 2012	Jun. 30, 2012	Sep. 30, 2012 Current [Member]	Sep. 30, 2012 Long-term [Member]
Financing Receivable, Recorded Investment [Line Items]
Beginning balance, current	$ 5.7	$ 5.4
Beginning balance, long-term	9.3	8.8
Incremental provision			0.4	0.5
Recoveries and others			0	0.2
Chargeoffs			(0.1)	(0.2)
Ending balance, current	5.7	5.4
Ending balance, long-term	$ 9.3	$ 8.8