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Supplemental Retirement Plan and Related Post Retirement Benefits (Tables)
3 Months Ended
Apr. 03, 2021
Retirement Benefits [Abstract]  
Summary of the Components of Net Periodic Cost The following table sets forth information regarding the net periodic pension cost for the plans. 
Three Months Ended
(In thousands)April 3, 2021March 28, 2020
Service Cost$49 $55 
Interest Cost191 209 
Amortization of Prior Service Cost97 97 
Amortization of Net Actuarial Losses323 162 
Net Periodic Cost$660 $523