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Income Taxes (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended	9 Months Ended
	Jun. 30, 2013	Jun. 30, 2013	Jun. 30, 2012
Income Taxes
Effective tax rate (as a percent)		25.60%	25.60%
Tax at federal statutory rate (as a percent)		35.00%
Cash available from restructuring transaction	$ 147.9
Income tax expense resulting from restructuring	$ 4.9

X

- Definition

Represents income tax expense resulting from restructuring during the reporting period.

+ References

No definition available.

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- Definition

Represents the amount of cash available for general corporate purposes from restructuring transaction during the reporting period.

+ References

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- 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.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

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- Definition

The domestic federal statutory tax rate applicable under enacted tax laws to the Company's pretax income from continuing operations for the period. The "statutory" tax rate is the regular tax rate if there are alternative tax systems.

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