Pensions And Other Postretirement Benefits (Weighted Average Assumptions) (Details) |
12 Months Ended | ||
---|---|---|---|
Sep. 29, 2018 |
Sep. 30, 2017 |
Oct. 01, 2016 |
|
Other Postretirement Benefits Plan [Member] | |||
Defined Benefit Plan Disclosure [Line Items] | |||
Discount rate to determine net periodic benefit cost | 3.39% | 3.09% | 3.54% |
Discount rate to determine benefit obligations | 4.11% | 3.39% | 3.09% |
Funded Plan [Member] | Qualified Plan [Member] | Pension Plan [Member] | |||
Defined Benefit Plan Disclosure [Line Items] | |||
Discount rate to determine net periodic benefit cost | 3.85% | 3.72% | 4.47% |
Discount rate to determine benefit obligations | 4.26% | 3.85% | 3.72% |
Expected return on plan assets | 4.20% | 4.21% | 4.15% |
Unfunded Plan [Member] | Nonqualified Plan [Member] | Pension Plan [Member] | |||
Defined Benefit Plan Disclosure [Line Items] | |||
Discount rate to determine net periodic benefit cost | 3.88% | 3.77% | 4.41% |
Discount rate to determine benefit obligations | 4.31% | 3.88% | 3.77% |
Rate of compensation increase | 2.53% | 2.44% | 2.46% |