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Earnings Per Share (Calculation of Basic and Diluted Income Per Share) (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended
	Nov. 28, 2015	Nov. 29, 2014
Earnings Per Share [Abstract]
Net income	$ 8,558	$ 9,895
Weighted average shares outstanding	26,976	26,969
Net income per share - basic (in dollars per share)	$ 0.32	$ 0.37
Dilutive impact of awards and options outstanding	91	109
Weighted average shares and potential dilutive shares outstanding	27,067	27,078
Net income per share - assuming dilution (in dollars per share)	$ 0.32	$ 0.37

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