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Retirement Plans (Notes)
 3 Months Ended
Apr. 03, 2021
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 Ended
(In millions)April 3,
2021		March 28,
2020
Service cost pertaining to benefits earned during the period
$1.8 $1.6 
Interest cost on projected benefit obligations
3.2 3.5 
Expected return on pension assets
(4.9)(4.6)
Net amortization loss
3.4 1.6 
Net pension expense
$3.5 $2.1 
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.