v3.25.2
Pension, Postretirement and Postemployment Defined Benefit Plans (Tables)
 9 Months Ended
Jun. 29, 2025
Retirement Benefits [Abstract]  
Schedule of Net Periodic Pension and Postretirement Cost (Benefit) Components
The net periodic pension and postretirement cost (benefit) components for our plans are as follows:
PENSION PLANSThree months ended Nine months ended
(Thousands of Dollars)June 29,
2025		June 23,
2024		June 29,
2025		June 23,
2024
Service cost for benefits earned during the period1 1 3 3 
Interest cost on projected benefit obligation2,034 2,253 6,103 7,021 
Expected return on plan assets(2,319)(2,310)(6,956)(7,073)
Amortization of net (gain) loss— (1)— (4)
Amortization of prior service benefit212 212 636 636 
Settlement gain— — — (2,409)
Net periodic pension (benefit) cost(72)155 (214)(1,826)
POSTRETIREMENT MEDICAL PLANSThree months ended Nine months ended
(Thousands of Dollars)June 29,
2025		June 23,
2024		June 29,
2025		June 23,
2024
Service cost for benefits earned during the period1 13 2 38 
Interest cost on projected benefit obligation108 149 325 447 
Expected return on plan assets(410)(320)(1,231)(959)
Amortization of net gain(292)(308)(876)(925)
Amortization of prior service benefit(71)(94)(214)(282)
Curtailment gain— — — (1,184)
Net periodic postretirement benefit(664)(560)(1,994)(2,865)