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v3.23.3

Defined Benefit Plans | 9 Months Ended
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Sep. 30, 2023
Retirement Benefits [Abstract] |
Defined Benefit Plans | 11. Defined Benefit Plans The components of net periodic benefit income for pension benefits for the thirty-nine and thirteen weeks ended September 30, 2023 and nine and three months ended September 30, 2022 were as follows:
| Pension Benefits |
(In millions) | Thirty-Nine Weeks Ended September 30, 2023 |  |  | Nine Months Ended September 30, 2022 |  |  | Thirteen Weeks Ended September 30, 2023 |  |  | Three Months Ended September 30, 2022 |
Service cost | $ | 0.1 |  |  | $ | 0.2 |  |  | $ | - |  |  | $ | - |
Interest cost |  | 20.4 |  |  |  | 15.3 |  |  |  | 6.8 |  |  |  | 5.1 |
Expected return on plan assets |  | (21.4 | ) |  |  | (21.1 | ) |  |  | (7.1 | ) |  |  | (7.0 | )
Recognition of actuarial losses |  | - |  |  |  | 0.4 |  |  |  | - |  |  |  | 0.4 |
Net periodic benefit income | $ | (0.9 | ) |  | $ | (5.2 | ) |  | $ | (0.3 | ) |  | $ | (1.5 | )
Service cost relates to benefit accruals in an hourly union defined benefit plan in our Security segment. All other defined benefit pension plans were frozen as of December 31, 2016.

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