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Leases And Other Commitments (Narrative) (Details) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Sep. 28, 2012
Sep. 30, 2011
Oct. 01, 2010
Operating Leased Assets [Line Items]      
Rental expense $ 9,126 $ 8,731 $ 8,990
Related Parties [Member]
     
Operating Leased Assets [Line Items]      
Rental expense $ 1,124 $ 849 $ 799