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Net Periodic Pension (Benefit) Cost
 9 Months Ended
Sep. 26, 2020
Retirement Benefits [Abstract]  
Net Periodic Pension (Benefit) Cost Net Periodic Pension (Benefit) Cost
The following table shows the components of our net periodic pension (benefit) cost:
Three Months EndedNine Months Ended
September 26, 2020September 28, 2019September 26, 2020September 28, 2019
(In thousands)(In thousands)
Service cost$— $29 $— $190 
Interest cost on projected benefit obligation723 881 2,169 2,899 
Expected return on plan assets(1,210)(1,339)(3,630)(3,828)
Amortization of unrecognized loss263 278 789 857 
Net periodic pension (benefit) cost$(224)$(151)$(672)$118