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Income Taxes (Details) (USD $) In Millions, unless otherwise specified	6 Months Ended
	Mar. 31, 2013	Apr. 01, 2012
Income Taxes
Effective income tax rate (as a percent)	32.70%	34.60%
Undistributed earnings of foreign subsidiaries	$ 39.9
Provision for U.S. income taxes or foreign withholding taxes	0
Tax benefit from research and experimentation credits, as a result of the retroactive extension	$ 1.1

- 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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