XML 79 R71.htm IDEA: XBRL DOCUMENT v3.19.3
Pension and Other Post-retirement Benefits - Accumulated Benefit Obligations (Details) - Pension Benefits - USD ($)
$ in Thousands
Oct. 27, 2019
Oct. 28, 2018
Accumulated benefit obligation in excess of plan assets    
Projected Benefit Obligation $ 274,804 $ 232,676
Accumulated Benefit Obligation $ 269,114 $ 227,015