INCOME TAXES (Reconciliation of Unrecognized Tax Benefits) (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2010
A reconciliation of the beginning and ending amount of unrecognized tax benefits is as follows:
Balance at October 1	$ 17.8	$ 24.0	$ 35.5
Increases in tax position of prior years	0.5	0.4	3.9
Decreases in tax position of prior years	(2.7)	(3.0)	(6.8)
Increases in tax positions related to the current year		5.1	1.4
Settlements with taxing authorities	(3.8)	(5.2)	(6.0)
Lapse of applicable statute of limitations	(1.9)	(3.5)	(4.0)
Foreign currency adjustments	(0.1)
Total change	(8.0)	(6.2)	(11.5)
Balance at September 30	$ 9.8	$ 17.8	$ 24.0