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EMPLOYEE BENEFIT PLANS
 3 Months Ended
Apr. 03, 2021
Retirement Benefits [Abstract]  
EMPLOYEE BENEFIT PLANS EMPLOYEE BENEFIT PLANS
Net periodic benefit (income) expense for our pension and postretirement plans include the following components:

Domestic Pension Plans
Three months ended
April 3,
2021		March 28,
2020
Service cost$— $— 
Interest cost2.1 2.7 
Expected return on plan assets(2.2)(2.4)
Net periodic pension benefit (income) expense$(0.1)$0.3 

Foreign Pension Plans
Three months ended
April 3,
2021		March 28,
2020
Service cost$— $— 
Interest cost0.8 1.0 
Expected return on plan assets(1.4)(1.5)
Net periodic pension benefit income$(0.6)$(0.5)

Postretirement Plans
Three months ended
April 3,
2021		March 28,
2020
Service cost$— $— 
Interest cost0.3 0.4 
Amortization of unrecognized prior service credits(1.2)(1.2)
Net periodic postretirement benefit income$(0.9)$(0.8)