XML 188 R118.htm IDEA: XBRL DOCUMENT v3.25.0.1
Pension and Other Benefit Programs (Summary of Fair Value Of Assets Plan) (Details) - USD ($)
$ in Millions
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Defined Benefit Plan Disclosure [Line Items]      
Net assets measured at fair value $ 378.5 $ 409.3  
Investments measured at net asset value 3.4 4.1  
Net assets 381.9 413.4 $ 391.7
Collective trust funds - bonds      
Defined Benefit Plan Disclosure [Line Items]      
Net assets measured at fair value 342.3 371.5  
Collective trust funds - equities      
Defined Benefit Plan Disclosure [Line Items]      
Net assets measured at fair value 32.0 34.3  
Cash, Other Short-Term Investments and Payables, Net [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Net assets measured at fair value 4.2 3.5  
Level 1 [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Net assets measured at fair value (0.5) (0.3)  
Level 1 [Member] | Collective trust funds - bonds      
Defined Benefit Plan Disclosure [Line Items]      
Net assets measured at fair value 0.0 0.0  
Level 1 [Member] | Collective trust funds - equities      
Defined Benefit Plan Disclosure [Line Items]      
Net assets measured at fair value 0.0 0.0  
Level 1 [Member] | Cash, Other Short-Term Investments and Payables, Net [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Net assets measured at fair value (0.5) (0.3)  
Level 2 [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Net assets measured at fair value 379.0 409.6  
Level 2 [Member] | Collective trust funds - bonds      
Defined Benefit Plan Disclosure [Line Items]      
Net assets measured at fair value 342.3 371.5  
Level 2 [Member] | Collective trust funds - equities      
Defined Benefit Plan Disclosure [Line Items]      
Net assets measured at fair value 32.0 34.3  
Level 2 [Member] | Cash, Other Short-Term Investments and Payables, Net [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Net assets measured at fair value 4.7 3.8  
Level 3 [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Net assets measured at fair value 0.0 0.0  
Level 3 [Member] | Collective trust funds - bonds      
Defined Benefit Plan Disclosure [Line Items]      
Net assets measured at fair value 0.0 0.0  
Level 3 [Member] | Collective trust funds - equities      
Defined Benefit Plan Disclosure [Line Items]      
Net assets measured at fair value 0.0 0.0  
Level 3 [Member] | Cash, Other Short-Term Investments and Payables, Net [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Net assets measured at fair value $ 0.0 $ 0.0