INCOME TAXES (Details) (USD $) In Millions, unless otherwise specified	6 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
INCOME TAXES
Effective Income Tax Rate Reconciliation, Percent	11.00%	30.10%
Effective Income Tax Rate Reconciliation, Tax Credit, Other, Amount		$ 5.9
Unrecognized Tax Benefits	69.1
Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued	11.8
Unrecognized Tax Benefits that Would Impact Effective Tax Rate	52.8
Unrecognized Tax Benefits, Period Increase (Decrease)	40.1
Unrecognized Tax Penalties and Interest Period Increase Decrease	11.6
Tax provision, reduction due to settlement	29.6
Unrecognized tax benefits, decrease resulting from settlements	$ 33.1