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Accrued Expenses And Current Portion Of Other Long-Term Liabilities (Narrative) (Details) (USD $)
 3 Months Ended 9 Months Ended
Jun. 29, 2013
Jun. 23, 2012
Jun. 29, 2013
Jun. 23, 2012
Accrued Expenses And Current Portion Of Other Long-Term Liabilities [Abstract]        
Workers' compensation per occurrence covered under insurance cost $ 750,000   $ 750,000  
General liability 500,000   500,000  
Medical care benefits per person covered under insurance cost 325,000   325,000  
Self insurance reserves 28,800,000   28,800,000  
Self insurance reserves, current 13,200,000   13,200,000  
Self insurance reserves, non-current 15,600,000   15,600,000  
Employee insurance expense $ 6,700,000 $ 7,900,000 $ 24,500,000 $ 22,600,000