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Pension Plans and Postretirement Benefits - Schedule of Fair Value of Assets Category (Details) - Recurring - USD ($)
$ in Millions
Dec. 29, 2024
Dec. 31, 2023
Defined Benefit Plan Disclosure [Line Items]    
Fair value of plan assets $ 471.5 $ 511.0
Level 1    
Defined Benefit Plan Disclosure [Line Items]    
Fair value of plan assets 238.8 234.9
Level 2    
Defined Benefit Plan Disclosure [Line Items]    
Fair value of plan assets 232.7 276.1
Level 3    
Defined Benefit Plan Disclosure [Line Items]    
Fair value of plan assets 0.0 0.0
Investments measured at net asset value:    
Defined Benefit Plan Disclosure [Line Items]    
Fair value of plan assets 285.9 268.0
Cash and Cash Equivalents    
Defined Benefit Plan Disclosure [Line Items]    
Fair value of plan assets 18.6 20.1
Cash and Cash Equivalents | Level 1    
Defined Benefit Plan Disclosure [Line Items]    
Fair value of plan assets 0.0 0.0
Cash and Cash Equivalents | Level 2    
Defined Benefit Plan Disclosure [Line Items]    
Fair value of plan assets 18.6 20.1
Cash and Cash Equivalents | Level 3    
Defined Benefit Plan Disclosure [Line Items]    
Fair value of plan assets 0.0 0.0
Equity securities    
Defined Benefit Plan Disclosure [Line Items]    
Fair value of plan assets 189.4 212.5
Equity securities | Level 1    
Defined Benefit Plan Disclosure [Line Items]    
Fair value of plan assets 4.1 3.5
Equity securities | Level 2    
Defined Benefit Plan Disclosure [Line Items]    
Fair value of plan assets 185.3 209.0
Equity securities | Level 3    
Defined Benefit Plan Disclosure [Line Items]    
Fair value of plan assets 0.0 0.0
U.S. Government securities and futures    
Defined Benefit Plan Disclosure [Line Items]    
Fair value of plan assets 234.7 242.8
U.S. Government securities and futures | Level 1    
Defined Benefit Plan Disclosure [Line Items]    
Fair value of plan assets 234.7 231.4
U.S. Government securities and futures | Level 2    
Defined Benefit Plan Disclosure [Line Items]    
Fair value of plan assets 0.0 11.4
U.S. Government securities and futures | Level 3    
Defined Benefit Plan Disclosure [Line Items]    
Fair value of plan assets 0.0 0.0
Corporate bonds    
Defined Benefit Plan Disclosure [Line Items]    
Fair value of plan assets 17.1 22.5
Corporate bonds | Level 1    
Defined Benefit Plan Disclosure [Line Items]    
Fair value of plan assets 0.0 0.0
Corporate bonds | Level 2    
Defined Benefit Plan Disclosure [Line Items]    
Fair value of plan assets 17.1 22.5
Corporate bonds | Level 3    
Defined Benefit Plan Disclosure [Line Items]    
Fair value of plan assets 0.0 0.0
Insurance contracts related to foreign plans    
Defined Benefit Plan Disclosure [Line Items]    
Fair value of plan assets 11.7 13.1
Insurance contracts related to foreign plans | Level 1    
Defined Benefit Plan Disclosure [Line Items]    
Fair value of plan assets 0.0 0.0
Insurance contracts related to foreign plans | Level 2    
Defined Benefit Plan Disclosure [Line Items]    
Fair value of plan assets 11.7 13.1
Insurance contracts related to foreign plans | Level 3    
Defined Benefit Plan Disclosure [Line Items]    
Fair value of plan assets 0.0 0.0
Alternatives | Investments measured at net asset value:    
Defined Benefit Plan Disclosure [Line Items]    
Fair value of plan assets 199.6 189.3
Mutual funds | Investments measured at net asset value:    
Defined Benefit Plan Disclosure [Line Items]    
Fair value of plan assets 5.2 4.8
Mortgage-backed securities | Investments measured at net asset value:    
Defined Benefit Plan Disclosure [Line Items]    
Fair value of plan assets 45.6 60.3
High-yield bonds | Investments measured at net asset value:    
Defined Benefit Plan Disclosure [Line Items]    
Fair value of plan assets $ 35.5 $ 13.6