For our defined benefit plans, net periodic benefit cost (credit) for the three- and nine-month periods ended September 28, 2025, and September 29, 2024, consisted of the following: | | | | | | | | | | | | | | | | | | | | | | Pension Benefits | Other Post-retirement Benefits | | Three Months Ended | September 28, 2025 | | September 29, 2024 | September 28, 2025 | | September 29, 2024 | | Service cost | $ | 18 | | | $ | 19 | | $ | 1 | | | $ | 1 | | | Interest cost | 149 | | | 157 | | 7 | | | 7 | | | Expected return on plan assets | (184) | | | (206) | | (8) | | | (8) | | | Net actuarial loss (gain) | 26 | | | 48 | | (8) | | | (7) | | | Prior service (credit) cost | (1) | | | (2) | | — | | | 1 | | | Net periodic benefit cost (credit) | $ | 8 | | | $ | 16 | | $ | (8) | | | $ | (6) | | | Nine Months Ended | | | | | | | | Service cost | $ | 53 | | | $ | 56 | | $ | 3 | | | $ | 3 | | | Interest cost | 448 | | | 471 | | 20 | | | 21 | | | Expected return on plan assets | (553) | | | (617) | | (26) | | | (25) | | | Net actuarial loss (gain) | 80 | | | 146 | | (24) | | | (23) | | | Prior service (credit) cost | (4) | | | (5) | | 1 | | | 2 | | | Net periodic benefit cost (credit) | $ | 24 | | | $ | 51 | | $ | (26) | | | $ | (22) | |
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