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Pension and Other Postretirement Obligations
 3 Months Ended
Apr. 03, 2022
Retirement Benefits [Abstract]  
Pension and Other Postretirement Obligations Pension and Other Postretirement Obligations
The following table provides the components of net periodic benefit costs for our pension and other postretirement benefit plans: 
 Pension ObligationsOther Postretirement Obligations
Three Months EndedApril 3, 2022April 4, 2021April 3, 2022April 4, 2021
 (In thousands)
Service cost$911 $886 $6 $9 
Interest cost2,305 1,806 195 177 
Expected return on plan assets(3,963)(3,668)— — 
Amortization of prior service cost 47 28 — — 
Actuarial losses (gains)236 979 (20)(6)
Net periodic benefit cost (income)$(464)$31 $181 $180