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Income Taxes (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Mar. 30, 2013 Rate	Mar. 31, 2012 Rate	Mar. 30, 2013 Rate	Mar. 31, 2012 Rate
Income Tax Expense (Benefit) [Abstract]
Income tax expense	$ 2,000	$ 2,400	$ 3,000	$ 4,203
Effective tax rates	10.00%	11.00%	8.00%	10.00%

- 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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- Definition

The sum of the current income tax expense or benefit and the deferred income tax expense or benefit pertaining to continuing operations.

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