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Retirement Plans (Schedule Of Plan Asset Allocation) (Details)
12 Months Ended
Oct. 01, 2017
Defined Benefit Plan Disclosure [Line Items]  
Percentage of Plan Assets, Equity securities 100.00%
Asset Allocation, Target, Equity securities 100.00%
Cash and Cash Equivalents [Member]  
Defined Benefit Plan Disclosure [Line Items]  
Percentage of Plan Assets, Equity securities 1.00%
Asset Allocation, Target, Equity securities 0.00%
Asset Allocation, Minimum, Equity securities 0.00%
Asset Allocation, Maximum, Equity securities 0.00%
Core Fixed Funds Member  
Defined Benefit Plan Disclosure [Line Items]  
Percentage of Plan Assets, Equity securities 29.00%
Asset Allocation, Target, Equity securities 25.00%
Asset Allocation, Minimum, Equity securities 20.00%
Asset Allocation, Maximum, Equity securities 30.00%
High yield  
Defined Benefit Plan Disclosure [Line Items]  
Percentage of Plan Assets, Equity securities 4.00%
Asset Allocation, Target, Equity securities 5.00%
Asset Allocation, Minimum, Equity securities 0.00%
Asset Allocation, Maximum, Equity securities 10.00%
Alternatives  
Defined Benefit Plan Disclosure [Line Items]  
Percentage of Plan Assets, Equity securities 9.00%
Asset Allocation, Target, Equity securities 9.00%
Asset Allocation, Minimum, Equity securities 4.00%
Asset Allocation, Maximum, Equity securities 14.00%
Real Estate [Member]  
Defined Benefit Plan Disclosure [Line Items]  
Percentage of Plan Assets, Equity securities 8.00%
Asset Allocation, Target, Equity securities 8.00%
Asset Allocation, Minimum, Equity securities 3.00%
Asset Allocation, Maximum, Equity securities 13.00%
Real Return Bonds Member  
Defined Benefit Plan Disclosure [Line Items]  
Percentage of Plan Assets, Equity securities 0.00%
Asset Allocation, Target, Equity securities 3.00%
Asset Allocation, Minimum, Equity securities 0.00%
Asset Allocation, Maximum, Equity securities 6.00%
UNITED STATES | Equity Funds & Securities [Member]  
Defined Benefit Plan Disclosure [Line Items]  
Percentage of Plan Assets, Equity securities 23.00%
Asset Allocation, Target, Equity securities 25.00%
Asset Allocation, Minimum, Equity securities 15.00%
Asset Allocation, Maximum, Equity securities 35.00%
Non-US [Member] | Equity Funds & Securities [Member]  
Defined Benefit Plan Disclosure [Line Items]  
Percentage of Plan Assets, Equity securities 26.00%
Asset Allocation, Target, Equity securities 25.00%
Asset Allocation, Minimum, Equity securities 15.00%
Asset Allocation, Maximum, Equity securities 35.00%