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Employee Benefits (Pension Plans' Weighted Average Asset Allocations By Percent) (Details)
Sep. 30, 2016
Oct. 02, 2015
Defined Benefit Plan Disclosure [Line Items]    
Pension plan asset allocation 100.00% 100.00%
Equity Securities [Member]    
Defined Benefit Plan Disclosure [Line Items]    
Pension plan asset allocation 69.00% 74.00%
Fixed Income Securities [Member]    
Defined Benefit Plan Disclosure [Line Items]    
Pension plan asset allocation 30.00% 25.00%
Other Securities [Member]    
Defined Benefit Plan Disclosure [Line Items]    
Pension plan asset allocation 1.00% 1.00%