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Profit Sharing, Retirement Savings Plans and Defined Benefit Pension Plans - Fair Values of Pension Plan Assets, by Asset Category and Level of Fair Values (Details) - USD ($)
$ in Millions
Dec. 31, 2023
Dec. 31, 2022
Defined Benefit Plan Disclosure [Line Items]    
Fair value of plan assets $ 596.1 $ 570.4
Level 1    
Defined Benefit Plan Disclosure [Line Items]    
Fair value of plan assets 2.4 3.0
Level 2    
Defined Benefit Plan Disclosure [Line Items]    
Fair value of plan assets 218.3 199.6
Level 3    
Defined Benefit Plan Disclosure [Line Items]    
Fair value of plan assets 169.2 159.3
NAV    
Defined Benefit Plan Disclosure [Line Items]    
Fair value of plan assets 206.2 208.5
Cash and cash equivalents    
Defined Benefit Plan Disclosure [Line Items]    
Fair value of plan assets 6.9 7.8
Cash and cash equivalents | Level 1    
Defined Benefit Plan Disclosure [Line Items]    
Fair value of plan assets 2.4 3.0
Cash and cash equivalents | Level 2    
Defined Benefit Plan Disclosure [Line Items]    
Fair value of plan assets 4.5 4.8
Cash and cash equivalents | Level 3    
Defined Benefit Plan Disclosure [Line Items]    
Fair value of plan assets 0.0 0.0
Cash and cash equivalents | NAV    
Defined Benefit Plan Disclosure [Line Items]    
Fair value of plan assets 0.0 0.0
Fixed income funds    
Defined Benefit Plan Disclosure [Line Items]    
Fair value of plan assets 290.5 261.0
Fixed income funds | Level 1    
Defined Benefit Plan Disclosure [Line Items]    
Fair value of plan assets 0.0 0.0
Fixed income funds | Level 2    
Defined Benefit Plan Disclosure [Line Items]    
Fair value of plan assets 174.5 155.2
Fixed income funds | Level 3    
Defined Benefit Plan Disclosure [Line Items]    
Fair value of plan assets 0.0 0.0
Fixed income funds | NAV    
Defined Benefit Plan Disclosure [Line Items]    
Fair value of plan assets 116.0 105.8
Equity funds    
Defined Benefit Plan Disclosure [Line Items]    
Fair value of plan assets 73.2 75.1
Equity funds | Level 1    
Defined Benefit Plan Disclosure [Line Items]    
Fair value of plan assets 0.0 0.0
Equity funds | Level 2    
Defined Benefit Plan Disclosure [Line Items]    
Fair value of plan assets 37.9 37.8
Equity funds | Level 3    
Defined Benefit Plan Disclosure [Line Items]    
Fair value of plan assets 0.0 0.0
Equity funds | NAV    
Defined Benefit Plan Disclosure [Line Items]    
Fair value of plan assets 35.3 37.3
Other    
Defined Benefit Plan Disclosure [Line Items]    
Fair value of plan assets 225.5 226.5
Other | Level 1    
Defined Benefit Plan Disclosure [Line Items]    
Fair value of plan assets 0.0 0.0
Other | Level 2    
Defined Benefit Plan Disclosure [Line Items]    
Fair value of plan assets 1.4 1.8
Other | Level 3    
Defined Benefit Plan Disclosure [Line Items]    
Fair value of plan assets 169.2 159.3
Other | NAV    
Defined Benefit Plan Disclosure [Line Items]    
Fair value of plan assets $ 54.9 $ 65.4