COMMON STOCK (Schedule of Transactions under Stock Option Plans) (Details) $ / shares in Units, shares in Thousands, $ in Millions	12 Months Ended
	Sep. 30, 2016 USD ($) $ / shares shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Closing stock price	$ 61.98
Stock Options [Member]
Weighted Average Number of Shares
Balance Outstanding at October 1, 2015 | shares	1,901
Granted | shares	361
Exercised | shares	(191)
Cancelled/Forfeited | shares	(65)
Balance Outstanding at September 30, 2016 | shares	2,006
Exercisable at September 30, 2016 | shares	1,258
Options Expected to Vest | shares	673
Weighted Average Exercise Price
Balance Outstanding at October 1, 2015	$ 34.38
Granted	50.98
Exercised	32.22
Cancelled/Forfeited	42.49
Balance Outstanding at September 30, 2016	37.31
Exercisable at September 30, 2016	32.30
Options Expected to Vest	$ 45.43
Weighted Average Remaining Contractual Term
Balance Outstanding at September 30, 2016	5 years 10 months 24 days
Exercisable at September 30, 2016	4 years 6 months
Options Expected to Vest	8 years 2 months 12 days
Aggregate Intrinsic Value
Balance Outstanding at September 30, 2016 | $	$ 49.5	[1]
Exercisable at September 30, 2016 | $	37.4	[1]
Options Expected to Vest | $	$ 11.1	[1]

[1] The aggregate intrinsic value represents the total pre-tax intrinsic value, based on our closing stock price of $61.98, as reported by the New York Stock Exchange on September 30, 2016. 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.