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Pensions And Other Postretirement Benefits (Actual And Target Asset Allocation For Pension Plan Assets) (Details)
 12 Months Ended
Sep. 27, 2014
Sep. 28, 2013
Defined Benefit Plan Disclosure [Line Items]    
Actual Plan Asset Allocations 100.00% 100.00%
Target Plan Asset Allocations 100.00%  
Cash and Cash Equivalents [Member]
    
Defined Benefit Plan Disclosure [Line Items]    
Actual Plan Asset Allocations 4.90% 1.60%
Target Plan Asset Allocations 0.30%  
Fixed Income Funds [Member]
    
Defined Benefit Plan Disclosure [Line Items]    
Actual Plan Asset Allocations 80.50% 79.10%
Target Plan Asset Allocations 84.90%  
Equity Funds [Member]
    
Defined Benefit Plan Disclosure [Line Items]    
Actual Plan Asset Allocations 12.00%  
Real Estate [Member]
    
Defined Benefit Plan Disclosure [Line Items]    
Actual Plan Asset Allocations 2.00% 3.80%
Target Plan Asset Allocations 2.00%  
Other [Member]
    
Defined Benefit Plan Disclosure [Line Items]    
Actual Plan Asset Allocations 0.40% 3.90%
Target Plan Asset Allocations 1.10%  
U.S. Stock Funds [Member] | Equity Funds [Member]
    
Defined Benefit Plan Disclosure [Line Items]    
Actual Plan Asset Allocations 6.00% 4.30%
Target Plan Asset Allocations 5.40%  
International Stock Funds [Member] | Equity Funds [Member]
    
Defined Benefit Plan Disclosure [Line Items]    
Actual Plan Asset Allocations 6.20% 7.30%
Target Plan Asset Allocations 6.30%