XML 110 R95.htm IDEA: XBRL DOCUMENT v3.21.2
Pensions And Other Postretirement Benefits (Weighted Average Assumptions) (Details)
12 Months Ended
Oct. 02, 2021
Oct. 03, 2020
Sep. 28, 2019
Other Postretirement Benefits Plan [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Discount rate to determine net periodic benefit cost 1.95% 2.68% 3.99%
Discount rate to determine benefit obligations 2.07% 1.95% 2.68%
Defined Benefit Plan, Funded Plan [Member] | Qualified Plan [Member] | Pension Plan [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Discount rate to determine net periodic benefit cost 1.70% 3.23% 4.26%
Discount rate to determine benefit obligations 2.00% 1.70% 3.23%
Expected return on plan assets 1.70% 3.50% 3.50%
Defined Benefit Plan, Unfunded Plan [Member] | Nonqualified Plan [Member] | Pension Plan [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Discount rate to determine net periodic benefit cost 2.63% 3.19% 4.31%
Discount rate to determine benefit obligations 2.83% 2.63% 3.16%