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Retirement Plans (Tables)
6 Months Ended
Jul. 02, 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)July 2,
2022
July 3,
2021
July 2,
2022
July 3,
2021
Service cost pertaining to benefits earned during the period
$1.4 $1.7 $2.7 $3.5 
Interest cost on projected benefit obligations
3.3 3.2 6.6 6.4 
Expected return on pension assets
(5.2)(4.9)(10.3)(9.8)
Net amortization loss
2.8 3.5 5.6 6.9 
Net pension expense
$2.3 $3.5 $4.6 $7.0