Contingencies And Legal Actions (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		12 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Jun. 30, 2012
Contingencies And Legal Actions [Abstract]
Receivables sold to leasing companies under debt factoring arrangements	$ 0.5	$ 3.2
Debt factoring arrangement, maximum contingent liability exposure	1.2		2.1
Recourse liability recognized	$ 0.2		$ 0.6