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Pension and Other Postretirement Obligations
 6 Months Ended
Jul. 03, 2022
Retirement Benefits [Abstract]  
Pension and Other Postretirement Obligations Pension and Other Postretirement ObligationsThe following table provides the components of net periodic benefit costs for our pension and other postretirement benefit plans: 
 Pension ObligationsOther Postretirement Obligations
July 3, 2022July 4, 2021July 3, 2022July 4, 2021
 (In thousands)
Three Months Ended
Service cost$819 $1,155 $6 $9 
Interest cost2,287 1,897 193 186 
Expected return on plan assets(3,798)(4,527)— — 
Amortization of prior service cost 44 28 — — 
Actuarial losses (gains)224 976 (20)(5)
Net periodic benefit cost (income)$(424)$(471)$179 $190 
Six Months Ended
Service cost$1,730 $2,041 $12 $18 
Interest cost4,592 3,703 388 363 
Expected return on plan assets(7,761)(8,195)— — 
Amortization of prior service cost91 56 — — 
Actuarial losses (gains)460 1,955 (40)(11)
Net periodic benefit cost (income)$(888)$(440)$360 $370