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INCOME TAXES Income Tax (Details) (USD $) In Millions, unless otherwise specified	6 Months Ended
	Mar. 31, 2012	Mar. 31, 2011
Income Tax Disclosure [Abstract]
Effective income tax rate	19.50%	32.40%
Income Tax Reconciliation, Tax Credits, Investment	$ 24.9	$ 6.1

- Definition

A ratio calculated by dividing the reported amount of income tax expense attributable to continuing operations for the period by GAAP-basis pretax income from continuing operations.

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