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Income Taxes (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Dec. 31, 2012	Dec. 31, 2011
Income Taxes [Abstract]
Effective tax rate	32.00%	32.00%
Favorable impact of period tax benefits	$ 0.4	$ 0.1

- 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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