RECEIVABLES (Details) - Impaired loans (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended		12 Months Ended
	Mar. 31, 2014	Mar. 31, 2013	Mar. 31, 2014	Mar. 31, 2013	Sep. 30, 2013
Recorded investment	$ 92.9		$ 92.9		$ 80.7
Unpaid principal face	93.2		93.2		80.8
Related allowance	73.0		73.0		63.4
Average recorded investment			86.9		79.1
Impaired Financing Receivable, Interest Income, Accrual Method	0.2	0	0.2	0.4
Contracts [Member]
Recorded investment	17.4		17.4		5.7
Unpaid principal face	17.7		17.7		5.8
Related allowance	10.6		10.6		2.6
Average recorded investment			11.6		4.1
Notes [Member]
Recorded investment	75.5		75.5		75.0
Unpaid principal face	75.5		75.5		75.0
Related allowance	62.4		62.4		60.8
Average recorded investment			$ 75.3		$ 75.0