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Net Periodic Pension Benefit (Tables)
6 Months Ended
Jul. 03, 2021
Retirement Benefits [Abstract]  
Schedule of net periodic pension cost for pension plans
The following table shows the components of our net periodic pension benefit:
Three Months EndedSix Months Ended
Pension-related itemsJuly 3, 2021June 27, 2020July 3, 2021June 27, 2020
(In thousands)(In thousands)
Service cost (1)
$— $— $— $— 
Interest cost on projected benefit obligation505 723 1,010 1,446 
Expected return on plan assets(1,140)(1,210)(2,280)(2,420)
Amortization of unrecognized gain321 263 642 526 
Net periodic pension benefit$(314)$(224)$(628)$(448)
(1) Service cost is not a part of our net periodic pension benefit as our pension plan is frozen for all participants.