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Net Periodic Pension Benefit
 9 Months Ended
Oct. 02, 2021
Retirement Benefits [Abstract]  
Net Periodic Pension Benefit Net Periodic Pension Benefit
The following table shows the components of our net periodic pension benefit:
Three Months EndedNine Months Ended
Pension-related itemsOctober 2, 2021September 26, 2020October 2, 2021September 26, 2020
(In thousands)(In thousands)
Service cost (1)
$— $— $— $— 
Interest cost on projected benefit obligation505 723 1,515 2,169 
Expected return on plan assets(1,140)(1,210)(3,420)(3,630)
Amortization of unrecognized gain321 263 963 789 
Net periodic pension benefit$(314)$(224)$(942)$(672)
(1) Service cost is not a part of our net periodic pension benefit as our pension plan is frozen for all participants.
The net periodic pension benefit is included in other expense (income), net, in our Condensed Consolidated Statement of Operations and Comprehensive Income.