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Income Taxes (Details) (USD $)
3 Months Ended 6 Months Ended
Mar. 02, 2013
Feb. 25, 2012
Mar. 02, 2013
Feb. 25, 2012
Income Taxes [Abstract]        
Effective tax rate 40.00%      
Cash paid for income taxes     $ 1,800,000  
Income tax provision $ 1,077,000 $ 997,000 $ 2,873,000 $ 2,409,000