Benefit Plans, Defined Benefit Pension Plan Assets Measured at Fair Value (Details) - USD ($) $ in Millions	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Fair Value of Plan Assets [Abstract]
Fair value of plan assets	$ 341.3	$ 317.4
U.S. Plans [Member]
Fair Value of Plan Assets [Abstract]
Fair value of plan assets	277.1	251.4	$ 226.4
International Plans [Member]
Fair Value of Plan Assets [Abstract]
Fair value of plan assets	64.2	66.0	$ 59.0
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member]
Fair Value of Plan Assets [Abstract]
Fair value of plan assets	288.0	261.3
Significant Other Observable Inputs (Level 2) [Member]
Fair Value of Plan Assets [Abstract]
Fair value of plan assets	47.8	49.0
Significant Unobservable Inputs (Level 3) [Member]
Fair Value of Plan Assets [Abstract]
Fair value of plan assets	5.5	7.1
Equity Securities [Member]
Fair Value of Plan Assets [Abstract]
Fair value of plan assets	188.7	162.9
US Equities [Member]
Fair Value of Plan Assets [Abstract]
Fair value of plan assets	167.2	142.5
US Equities [Member] | Quoted Prices in Active Markets for Identical Assets (Level 1) [Member]
Fair Value of Plan Assets [Abstract]
Fair value of plan assets	167.2	142.5
US Equities [Member] | Significant Other Observable Inputs (Level 2) [Member]
Fair Value of Plan Assets [Abstract]
Fair value of plan assets	0.0	0.0
US Equities [Member] | Significant Unobservable Inputs (Level 3) [Member]
Fair Value of Plan Assets [Abstract]
Fair value of plan assets	0.0	0.0
Non-US Equities [Member]
Fair Value of Plan Assets [Abstract]
Fair value of plan assets	21.5	20.4
Non-US Equities [Member] | Quoted Prices in Active Markets for Identical Assets (Level 1) [Member]
Fair Value of Plan Assets [Abstract]
Fair value of plan assets	21.5	20.4
Non-US Equities [Member] | Significant Other Observable Inputs (Level 2) [Member]
Fair Value of Plan Assets [Abstract]
Fair value of plan assets	0.0	0.0
Non-US Equities [Member] | Significant Unobservable Inputs (Level 3) [Member]
Fair Value of Plan Assets [Abstract]
Fair value of plan assets	0.0	0.0
Fixed Income Securities [Member]
Fair Value of Plan Assets [Abstract]
Fair value of plan assets	112.8	112.0
Corporate Debt Instruments [Member]
Fair Value of Plan Assets [Abstract]
Fair value of plan assets	112.8	112.0
Corporate Debt Instruments [Member] | Quoted Prices in Active Markets for Identical Assets (Level 1) [Member]
Fair Value of Plan Assets [Abstract]
Fair value of plan assets	98.9	98.0
Corporate Debt Instruments [Member] | Significant Other Observable Inputs (Level 2) [Member]
Fair Value of Plan Assets [Abstract]
Fair value of plan assets	13.9	14.0
Corporate Debt Instruments [Member] | Significant Unobservable Inputs (Level 3) [Member]
Fair Value of Plan Assets [Abstract]
Fair value of plan assets	0.0	0.0
Real Estate [Member]
Fair Value of Plan Assets [Abstract]
Fair value of plan assets	0.3	0.8
Real Estate [Member] | Quoted Prices in Active Markets for Identical Assets (Level 1) [Member]
Fair Value of Plan Assets [Abstract]
Fair value of plan assets	0.0	0.0
Real Estate [Member] | Significant Other Observable Inputs (Level 2) [Member]
Fair Value of Plan Assets [Abstract]
Fair value of plan assets	0.0	0.0
Real Estate [Member] | Significant Unobservable Inputs (Level 3) [Member]
Fair Value of Plan Assets [Abstract]
Fair value of plan assets	0.3	0.8
Other [Member]
Fair Value of Plan Assets [Abstract]
Fair value of plan assets	39.5	41.7
Other [Member] | Quoted Prices in Active Markets for Identical Assets (Level 1) [Member]
Fair Value of Plan Assets [Abstract]
Fair value of plan assets	0.4	0.4
Other [Member] | Significant Other Observable Inputs (Level 2) [Member]
Fair Value of Plan Assets [Abstract]
Fair value of plan assets	33.9	35.0
Other [Member] | Significant Unobservable Inputs (Level 3) [Member]
Fair Value of Plan Assets [Abstract]
Fair value of plan assets	$ 5.2	$ 6.3