INCOME TAXES (Schedule of Differences between Income Tax Expense) (Details) - USD ($) $ in Millions		12 Months Ended
		Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2013
Amount
Federal income tax	[1]	$ 22.8	$ 40.3	$ 50.4
State income tax	[2]	1.6	2.0	2.5
Foreign income tax	[3]	(10.2)	(7.7)	(5.7)
Application of federal tax credits		(2.2)	(0.6)	(3.5)
Adjustment of estimated income tax accruals		(1.6)	(0.6)	(1.5)
Valuation of tax attributes		4.0	21.3	0.6
Domestic manufacturer's deduction		(1.5)	(1.8)	$ (2.2)
Capitalized transaction costs		2.5	0.3
Other, net		2.9	1.4	$ (1.6)
Income tax expense		$ 18.3	$ 54.6	$ 39.0
% of Pretax Income
Federal income tax	[1]	35.00%	35.00%	35.00%
State income tax	[2]	2.40%	1.70%	1.70%
Foreign income tax	[3]	(15.70%)	(6.70%)	(4.00%)
Application of federal tax credits		(3.40%)	(0.50%)	(2.40%)
Adjustment of estimated income tax accruals		(2.40%)	(0.50%)	(1.00%)
Valuation of tax attributes		6.20%	18.50%	0.40%
Domestic manufacturer's deduction		(2.30%)	(1.50%)	(1.50%)
Capitalized transaction costs		3.80%	0.20%
Other, net		4.50%	1.20%	(1.10%)
Income tax expense		28.10%	47.40%	27.10%

[1] At statutory rate.

[2] Net of Federal benefit.

[3] Federal tax rate differential.