INCOME TAXES (Schedule of Components of Income before Income Taxes and the Consolidated Income Tax Provision) (Details) - USD ($) $ in Millions	12 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2014
Income before income taxes:
Domestic	$ 92.2	$ 49.2	$ 87.0
Foreign	46.1	15.9	28.2
Total	138.3	65.1	115.2
Current provision
Federal	4.7	35.3	40.2
State	2.2	3.6	3.1
Foreign	9.1	1.7	7.4
Total current provision	16.0	40.6	50.7
Deferred provision:
Federal	21.8	(18.1)	(12.2)
State	1.2	(1.3)	(1.0)
Foreign	(23.5)	(2.9)	17.1
Total deferred provision	(0.5)	(22.3)	3.9
Income tax expense	$ 15.5	$ 18.3	$ 54.6