RECEIVABLES (Details) - Age Analysis of Recorded Investment (USD $) In Millions, unless otherwise specified	Jun. 30, 2014		Sep. 30, 2013		Jun. 30, 2014 Contracts [Member]		Sep. 30, 2013 Contracts [Member]		Jun. 30, 2014 Notes [Member]		Sep. 30, 2013 Notes [Member]		Mar. 31, 2014 Alabama Notes Receivable [Member]		Sep. 30, 2013 Alabama Notes Receivable [Member]
Past Due:
1-29 days	$ 8.8		$ 19.9		$ 7.5		$ 18.4		$ 1.3		$ 1.5
30-59 days	5.5		6.5		4.2		5.1		1.3		1.4
60-89 days	4.6		5.8		3.3		4.5		1.3		1.3
Over 90 days	84.6		71.0		21.8		16.1		62.8		54.9
Total past due	103.5		103.2		36.8		44.1		66.7		59.1
Total current	312.8	[1]	370.2	[1]	303.9	[1]	339.1	[1]	8.9	[1]	31.1	[1]
Grand total	416.3		473.4		340.7		383.2		75.6		90.2
Over 90 days and accruing interest	0.5		1.3		0.5		0		0		1.3
Nonaccrual status (not accruing interest)	97.7		89.7		22.2		13.5		75.5		76.2
Financing Receivable Impaired Past Due													66.3	[2]	56.2	[2]
Financing Receivable Impaired Not Past Due													8.7	[1]	18.8	[1]
Financing Receivable, Recorded Investment, Current	$ 312.8	[1]	$ 370.2	[1]	$ 303.9	[1]	$ 339.1	[1]	$ 8.9	[1]	$ 31.1	[1]

[1] Alabama impaired note included in amount not past due.

[2] Alabama impaired note included in total past due