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Benefit Plans
9 Months Ended
Sep. 25, 2021
Retirement Benefits [Abstract]  
Benefit Plans Benefit Plans
The Company sponsors several qualified and nonqualified pension plans and other postretirement benefit plans for certain of its employees.  The components of net periodic benefit cost (income) are as follows:

 For the Quarter EndedFor the Nine Months Ended
(In thousands) September 25, 2021September 26, 2020September 25, 2021September 26, 2020
Pension benefits:    
Interest cost$313 $862 $939 $2,586 
Expected return on plan assets(903)(1,496)(2,711)(4,486)
Amortization of net loss378 494 1,135 1,482 
Net periodic benefit income$(212)$(140)$(637)$(418)
Other benefits:   
Service cost$64 $59 $194 $176 
Interest cost87 106 261 321 
Amortization of prior service credit(118)(117)(353)(401)
Amortization of net gain(32)(50)(96)(150)
Curtailment gain— $— — $(2,591)
Net periodic benefit cost (income)$$(2)$$(2,645)

The components of net periodic benefit cost (income) other than the service cost component are included in other income, net in the Condensed Consolidated Statements of Income.