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Defined Benefit Plans
 9 Months Ended
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.