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EMPLOYEE BENEFIT PLANS
 9 Months Ended
Oct. 02, 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 endedNine months ended
October 2,
2021		September 26,
2020		October 2,
2021		September 26,
2020
Service cost$— $— $— $— 
Interest cost2.1 2.7 6.3 8.1 
Expected return on plan assets(2.2)(2.4)(6.6)(7.2)
Net periodic pension benefit (income) expense$(0.1)$0.3 $(0.3)$0.9 

Foreign Pension Plans
Three months endedNine months ended
October 2,
2021		September 26,
2020		October 2,
2021		September 26,
2020
Service cost$— $— $— $— 
Interest cost0.8 1.0 2.4 3.0 
Expected return on plan assets(1.4)(1.4)(4.2)(4.4)
Net periodic pension benefit income$(0.6)$(0.4)$(1.8)$(1.4)

Postretirement Plans
Three months endedNine months ended
October 2,
2021		September 26,
2020		October 2,
2021		September 26,
2020
Service cost$— $— $— $— 
Interest cost0.3 0.4 0.9 1.2 
Amortization of unrecognized prior service credits(1.2)(1.2)(3.6)(3.6)
Net periodic postretirement benefit income$(0.9)$(0.8)$(2.7)$(2.4)