COMMON STOCK (Schedule of Transactions under Stock Option Plans) (Details) (USD $) In Millions, except Share data in Thousands, unless otherwise specified	12 Months Ended
	Sep. 30, 2012 Y
Stock-Based Compensation
Closing stock price	$ 29.06
Stock Options [Member]
Weighted Average Number of Shares
Balance Outstanding at October 1, 2011	1,704
Granted	825
Exercised	(144)
Cancelled/Forfeited	(282)
Balance Outstanding at September 30, 2012	2,103
Exercisable at September 30, 2012	731
Options Expected to Vest	1,184
Weighted Average Exercise Price
Balance Outstanding at October 1, 2011	$ 30.05
Granted	$ 30.65
Exercised	$ 24.0
Cancelled/Forfeited	$ 32.28
Balance Outstanding at September 30, 2012	$ 30.41
Exercisable at September 30, 2012	$ 28.6
Options Expected to Vest	$ 31.26
Weighted Average Remaining Contractual Term (years)
Balance Outstanding at September 30, 2012	7.4
Exercisable at September 30, 2012	5.4
Options Expected to Vest	8.4
Aggregate Intrinsic Value
Balance Outstanding at September 30, 2012	$ 3.9	[1]
Exercisable at September 30, 2012	2.1	[1]
Options Expected to Vest	$ 1.7	[1]

[1] The aggregate intrinsic value represents the total pre-tax intrinsic value, based on our closing stock price of $29.06, as reported by the New York Stock Exchange on September 30, 2012. This amount, which changes continuously based on the fair value of our common stock, would have been received by the option holders had all option holders exercised their options as of the balance sheet date.