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v3.25.1

Pension, Postretirement and Postemployment Defined Benefit Plans | 6 Months Ended
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Mar. 30, 2025
Retirement Benefits [Abstract] |
Pension, Postretirement and Postemployment Defined Benefit Plans | PENSION, POSTRETIREMENT AND POSTEMPLOYMENT DEFINED BENEFIT PLANS We have one defined benefit pension plan that covers certain employees, including plans established under collective bargaining agreements. Additionally, we provide retiree medical and life insurance benefits under postretirement plans at several of our operating locations. Through March 30, 2025, our liability and related expense for benefits under the plans are recorded over the service period of employees based upon annual actuarial calculations. The net periodic pension and postretirement cost (benefit) components for our plans are as follows:
PENSION PLANS | Three months ended | Six months ended
(Thousands of Dollars) | March 30, 2025 | March 24, 2024 | March 30, 2025 | March 24, 2024
Service cost for benefits earned during the period | 1 |  | 1 |  | 2 |  | 2 |
Interest cost on projected benefit obligation | 2,034 |  | 2,253 |  | 4,068 |  | 4,768 |
Expected return on plan assets | (2,319) |  | (2,310) |  | (4,637) |  | (4,763) |
Amortization of net (gain) loss | — |  | (1) |  | — |  | (3) |
Amortization of prior service benefit | 212 |  | 212 |  | 424 |  | 424 |
Settlement gain | — |  | — |  | — |  | (2,409) |
Net periodic pension (benefit) cost | (72) |  | 155 |  | (143) |  | (1,981) |
POSTRETIREMENT MEDICAL PLANS | Three months ended | Six months ended
(Thousands of Dollars) | March 30, 2025 | March 24, 2024 | March 30, 2025 | March 24, 2024
Service cost for benefits earned during the period | 1 |  | 13 |  | 2 |  | 25 |
Interest cost on projected benefit obligation | 108 |  | 149 |  | 217 |  | 298 |
Expected return on plan assets | (410) |  | (320) |  | (821) |  | (639) |
Amortization of net gain | (292) |  | (308) |  | (584) |  | (617) |
Amortization of prior service benefit | (71) |  | (94) |  | (142) |  | (188) |
Curtailment gain | — |  | — |  | — |  | (1,184) |
Net periodic postretirement benefit | (664) |  | (560) |  | (1,328) |  | (2,305) |
In the six months ended March 30, 2025 and March 24, 2024, we made no contributions to our pension plans. W e have no required contributions to our pension plans for 2025. During the six months ended March 24, 2024, the Company offered a voluntary lump sum payment of future benefits to terminated vested participants in the defined benefit pension plan. The offer was accepted by 522 participants, representing a $22.6 million settlement of related pension plan liability. The Company recognized a non-cash settlement gain of $2.4 million, which is reflected within "Curtailment/Settlement gains" on the Consolidated Statements of Loss and Comprehensive Loss. Pension plan assets and liabilities were reduced by $22.6 million. Multiemployer Pension Plans In prior periods, the Company effectuated withdrawals from several multiemployer plans. As of March 30, 2025 and September 29, 2024, we had $23.1 million and $23.6 million of accrued withdrawal liabilities. The liabilities reflect the estimated value of payments to the fund, payable over 20-years.

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