SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES, SALES TAX (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Sep. 30, 2012		Sep. 30, 2011		Sep. 30, 2010
Accounting Policies [Abstract]
Sales Tax	$ 32.3		$ 50.7		$ 41.6
TEFA	6.0	[1]	9.0	[1]	8.3	[1]
Total	$ 38.3		$ 59.7		$ 49.9

[1] TEFA will be phased out over a three-year period commencing January 1, 2012.