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Retirement Plans (Tables)
9 Months Ended
Oct. 01, 2022
Retirement Benefits [Abstract]  
Summary of Net Pension and SERP Expense Recognized
The following is a summary of net pension and Supplemental Executive Retirement Plan (“SERP”) expense recognized by the Company.
 Quarter EndedYear-To-Date Ended
(In millions)October 1,
2022
October 2,
2021
October 1,
2022
October 2,
2021
Service cost pertaining to benefits earned during the period
$1.3 $1.7 $4.0 $5.2 
Interest cost on projected benefit obligations
3.3 3.2 9.9 9.6 
Expected return on pension assets
(5.1)(4.8)(15.4)(14.6)
Net amortization loss
2.9 3.4 8.5 10.3 
Net pension expense
$2.4 $3.5 $7.0 $10.5