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Retirement Plans (Notes)
 6 Months Ended
Jul. 01, 2023
Retirement Benefits [Abstract]  
Retirement Plans RETIREMENT PLANS
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 1,
2023		July 2,
2022		July 1,
2023		July 2,
2022
Service cost pertaining to benefits earned during the period
$0.8 $1.4 $1.6 $2.7 
Interest cost on projected benefit obligations
4.5 3.3 8.9 6.6 
Expected return on pension assets
(4.7)(5.2)(9.3)(10.3)
Net amortization loss
(0.2)2.8 (0.4)5.6 
Net pension expense
$0.4 $2.3 $0.8 $4.6 
The non-service cost components of net pension expense is recorded in the Other expense (income), net line item on the consolidated condensed statements of operations and comprehensive income.