For the quarters ended June 28, 2026 and June 29, 2025, the components of pension and other postretirement benefit expense for the Company’s defined benefit plans included the following: | | | | | | | | | | | | | | | | | | | | | | | | | Pension Benefits | | Other Postretirement Benefits | | (In millions) | Quarter ended | | Quarter ended | | June 28, 2026 | | June 29, 2025 | | June 28, 2026 | | June 29, 2025 | | Service cost - benefits earned during the year | $ | 1.5 | | | $ | 1.4 | | | $ | 0.1 | | | $ | 0.1 | | | Interest cost on benefits earned in prior years | 4.8 | | | 4.3 | | | 2.3 | | | 2.5 | | | Expected return on plan assets | (4.1) | | | (3.9) | | | — | | | — | | | Amortization of prior service cost (credit) | 0.1 | | | 0.1 | | | (0.1) | | | (0.2) | | | Amortization of net actuarial loss | — | | | — | | | 1.3 | | | 1.3 | | | Total retirement benefit expense | $ | 2.3 | | | $ | 1.9 | | | $ | 3.6 | | | $ | 3.7 | |
For the year-to-date periods ended June 28, 2026 and June 29, 2025, the components of pension and other postretirement benefit expense for the Company’s defined benefit plans included the following (in millions): | | | | | | | | | | | | | | | | | | | | | | | | | Pension Benefits | | Other Postretirement Benefits | | (In millions) | Year-to-date period ended | | Year-to-date period ended | | June 28, 2026 | | June 29, 2025 | | June 28, 2026 | | June 29, 2025 | | Service cost - benefits earned during the year | $ | 2.9 | | | $ | 2.7 | | | $ | 0.2 | | | $ | 0.2 | | | Interest cost on benefits earned in prior years | 9.6 | | | 8.6 | | | 4.5 | | | 4.9 | | | Expected return on plan assets | (8.2) | | | (7.9) | | | — | | | — | | | Amortization of prior service cost (credit) | 0.2 | | | 0.2 | | | (0.1) | | | (0.4) | | | Amortization of net actuarial loss | — | | | — | | | 2.6 | | | 2.6 | | | Total retirement benefit expense | $ | 4.5 | | | $ | 3.6 | | | $ | 7.2 | | | $ | 7.3 | |
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