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Employee Benefit Plans (Weighted Average Assumptions Used To Determine The Defined Benefit Retirement Plan Obligation) (Details)
12 Months Ended
Sep. 29, 2012
Oct. 01, 2011
Employee Benefit Plans [Abstract]    
Discount rate 3.60% 5.40%
Expected rate of return on plan assets 5.20% 5.40%
Expected rate of increase in future compensation levels 3.00% 3.00%