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Income Taxes (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Nov. 24, 2012	Nov. 26, 2011
Income Taxes [Abstract]
Effective income tax rate (in hundredths)	39.00%	38.30%
Income tax expense attributable to non-deductible compensation	$ 400

- 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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