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Benefit Plans
 3 Months Ended
Mar. 27, 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 Ended
(In thousands) March 27, 2021March 28, 2020
Pension benefits:  
Interest cost$313 $858 
Expected return on plan assets(904)(1,495)
Amortization of net loss378 460 
Net periodic benefit income$(213)$(177)
Other benefits:  
Service cost$65 $61 
Interest cost87 109 
Amortization of prior service credit(118)(226)
Amortization of net gain(31)(53)
Net periodic benefit cost (income)$3 $(109)

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.